Home / 25,398.20-38,084.30-10,603.15

Finding the Fourth Proportional to 25,398.20, 38,084.30 and 10,603.15

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Solution

The fourth proportional to 25,398.20, 38,084.30 and 10,603.15 is: 15,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398.20 : 38,084.30 = 10,603.15 : x
  2. Step 2: Convert to fraction form
    25,398.20/38,084.30 = 10,603.15/x
  3. Step 3: Cross multiply
    25,398.20x = 38,084.30 × 10,603.15
  4. Step 4: Simplify right side
    25,398.20x = 403,813,302.11
  5. Step 5: Solve for x
    x = 403,813,302.11/25,398.20
  6. Step 6: Final answer
    x = 15,899.29

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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.