Home / 23,715.28-32,726.68-13,105.36

Finding the Fourth Proportional to 23,715.28, 32,726.68 and 13,105.36

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Solution

The fourth proportional to 23,715.28, 32,726.68 and 13,105.36 is: 18,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715.28 : 32,726.68 = 13,105.36 : x
  2. Step 2: Convert to fraction form
    23,715.28/32,726.68 = 13,105.36/x
  3. Step 3: Cross multiply
    23,715.28x = 32,726.68 × 13,105.36
  4. Step 4: Simplify right side
    23,715.28x = 428,894,923.00
  5. Step 5: Solve for x
    x = 428,894,923.00/23,715.28
  6. Step 6: Final answer
    x = 18,085.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.