Home / 25,526.91-38,294.28-12,380.07

Finding the Fourth Proportional to 25,526.91, 38,294.28 and 12,380.07

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Solution

The fourth proportional to 25,526.91, 38,294.28 and 12,380.07 is: 18,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,526.91 : 38,294.28 = 12,380.07 : x
  2. Step 2: Convert to fraction form
    25,526.91/38,294.28 = 12,380.07/x
  3. Step 3: Cross multiply
    25,526.91x = 38,294.28 × 12,380.07
  4. Step 4: Simplify right side
    25,526.91x = 474,085,867.00
  5. Step 5: Solve for x
    x = 474,085,867.00/25,526.91
  6. Step 6: Final answer
    x = 18,572.00

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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.