Home / 28,309.12-42,461.07-9,587.01

Finding the Fourth Proportional to 28,309.12, 42,461.07 and 9,587.01

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Solution

The fourth proportional to 28,309.12, 42,461.07 and 9,587.01 is: 14,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309.12 : 42,461.07 = 9,587.01 : x
  2. Step 2: Convert to fraction form
    28,309.12/42,461.07 = 9,587.01/x
  3. Step 3: Cross multiply
    28,309.12x = 42,461.07 × 9,587.01
  4. Step 4: Simplify right side
    28,309.12x = 407,074,702.70
  5. Step 5: Solve for x
    x = 407,074,702.70/28,309.12
  6. Step 6: Final answer
    x = 14,379.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.