Home / 28,025,459.70-38,675,158.47-15,635,555.05

Finding the Fourth Proportional to 28,025,459.70, 38,675,158.47 and 15,635,555.05

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Solution

The fourth proportional to 28,025,459.70, 38,675,158.47 and 15,635,555.05 is: 21,577,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,459.70 : 38,675,158.47 = 15,635,555.05 : x
  2. Step 2: Convert to fraction form
    28,025,459.70/38,675,158.47 = 15,635,555.05/x
  3. Step 3: Cross multiply
    28,025,459.70x = 38,675,158.47 × 15,635,555.05
  4. Step 4: Simplify right side
    28,025,459.70x = 604,707,569,365,758.50
  5. Step 5: Solve for x
    x = 604,707,569,365,758.50/28,025,459.70
  6. Step 6: Final answer
    x = 21,577,079.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.