Home / 20,839.28-28,715.62-14,858.24

Finding the Fourth Proportional to 20,839.28, 28,715.62 and 14,858.24

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Solution

The fourth proportional to 20,839.28, 28,715.62 and 14,858.24 is: 20,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.28 : 28,715.62 = 14,858.24 : x
  2. Step 2: Convert to fraction form
    20,839.28/28,715.62 = 14,858.24/x
  3. Step 3: Cross multiply
    20,839.28x = 28,715.62 × 14,858.24
  4. Step 4: Simplify right side
    20,839.28x = 426,663,573.71
  5. Step 5: Solve for x
    x = 426,663,573.71/20,839.28
  6. Step 6: Final answer
    x = 20,474.01

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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.