Home / 25,740.28-38,535.30-15,849.88

Finding the Fourth Proportional to 25,740.28, 38,535.30 and 15,849.88

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Solution

The fourth proportional to 25,740.28, 38,535.30 and 15,849.88 is: 23,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.28 : 38,535.30 = 15,849.88 : x
  2. Step 2: Convert to fraction form
    25,740.28/38,535.30 = 15,849.88/x
  3. Step 3: Cross multiply
    25,740.28x = 38,535.30 × 15,849.88
  4. Step 4: Simplify right side
    25,740.28x = 610,779,880.76
  5. Step 5: Solve for x
    x = 610,779,880.76/25,740.28
  6. Step 6: Final answer
    x = 23,728.56

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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.