Home / 25,402.76-38,085.68-10,615.91

Finding the Fourth Proportional to 25,402.76, 38,085.68 and 10,615.91

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Solution

The fourth proportional to 25,402.76, 38,085.68 and 10,615.91 is: 15,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,402.76 : 38,085.68 = 10,615.91 : x
  2. Step 2: Convert to fraction form
    25,402.76/38,085.68 = 10,615.91/x
  3. Step 3: Cross multiply
    25,402.76x = 38,085.68 × 10,615.91
  4. Step 4: Simplify right side
    25,402.76x = 404,313,960.74
  5. Step 5: Solve for x
    x = 404,313,960.74/25,402.76
  6. Step 6: Final answer
    x = 15,916.14

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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.