Home / 25,931.52-38,895.36-10,339.20

Finding the Fourth Proportional to 25,931.52, 38,895.36 and 10,339.20

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Solution

The fourth proportional to 25,931.52, 38,895.36 and 10,339.20 is: 15,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.52 : 38,895.36 = 10,339.20 : x
  2. Step 2: Convert to fraction form
    25,931.52/38,895.36 = 10,339.20/x
  3. Step 3: Cross multiply
    25,931.52x = 38,895.36 × 10,339.20
  4. Step 4: Simplify right side
    25,931.52x = 402,146,906.11
  5. Step 5: Solve for x
    x = 402,146,906.11/25,931.52
  6. Step 6: Final answer
    x = 15,508.03

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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.