Home / 25,702.40-38,563.20-10,130.88

Finding the Fourth Proportional to 25,702.40, 38,563.20 and 10,130.88

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Solution

The fourth proportional to 25,702.40, 38,563.20 and 10,130.88 is: 15,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.40 : 38,563.20 = 10,130.88 : x
  2. Step 2: Convert to fraction form
    25,702.40/38,563.20 = 10,130.88/x
  3. Step 3: Cross multiply
    25,702.40x = 38,563.20 × 10,130.88
  4. Step 4: Simplify right side
    25,702.40x = 390,679,151.62
  5. Step 5: Solve for x
    x = 390,679,151.62/25,702.40
  6. Step 6: Final answer
    x = 15,200.10

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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.