Home / 42,816.81-64,209.24-14,728.92

Finding the Fourth Proportional to 42,816.81, 64,209.24 and 14,728.92

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Solution

The fourth proportional to 42,816.81, 64,209.24 and 14,728.92 is: 22,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,816.81 : 64,209.24 = 14,728.92 : x
  2. Step 2: Convert to fraction form
    42,816.81/64,209.24 = 14,728.92/x
  3. Step 3: Cross multiply
    42,816.81x = 64,209.24 × 14,728.92
  4. Step 4: Simplify right side
    42,816.81x = 945,732,759.22
  5. Step 5: Solve for x
    x = 945,732,759.22/42,816.81
  6. Step 6: Final answer
    x = 22,087.88

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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.