Home / 27,294.80-40,869.28-17,380.40

Finding the Fourth Proportional to 27,294.80, 40,869.28 and 17,380.40

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Solution

The fourth proportional to 27,294.80, 40,869.28 and 17,380.40 is: 26,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.80 : 40,869.28 = 17,380.40 : x
  2. Step 2: Convert to fraction form
    27,294.80/40,869.28 = 17,380.40/x
  3. Step 3: Cross multiply
    27,294.80x = 40,869.28 × 17,380.40
  4. Step 4: Simplify right side
    27,294.80x = 710,324,434.11
  5. Step 5: Solve for x
    x = 710,324,434.11/27,294.80
  6. Step 6: Final answer
    x = 26,024.17

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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.