Home / 27,861.26-38,448.42-15,285.74

Finding the Fourth Proportional to 27,861.26, 38,448.42 and 15,285.74

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Solution

The fourth proportional to 27,861.26, 38,448.42 and 15,285.74 is: 21,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.26 : 38,448.42 = 15,285.74 : x
  2. Step 2: Convert to fraction form
    27,861.26/38,448.42 = 15,285.74/x
  3. Step 3: Cross multiply
    27,861.26x = 38,448.42 × 15,285.74
  4. Step 4: Simplify right side
    27,861.26x = 587,712,551.53
  5. Step 5: Solve for x
    x = 587,712,551.53/27,861.26
  6. Step 6: Final answer
    x = 21,094.26

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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.