Home / 25,686.30-38,500.65-10,892.70

Finding the Fourth Proportional to 25,686.30, 38,500.65 and 10,892.70

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Solution

The fourth proportional to 25,686.30, 38,500.65 and 10,892.70 is: 16,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.30 : 38,500.65 = 10,892.70 : x
  2. Step 2: Convert to fraction form
    25,686.30/38,500.65 = 10,892.70/x
  3. Step 3: Cross multiply
    25,686.30x = 38,500.65 × 10,892.70
  4. Step 4: Simplify right side
    25,686.30x = 419,376,030.26
  5. Step 5: Solve for x
    x = 419,376,030.26/25,686.30
  6. Step 6: Final answer
    x = 16,326.84

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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.