Home / 42,659.28-63,958.80-14,565.84

Finding the Fourth Proportional to 42,659.28, 63,958.80 and 14,565.84

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Solution

The fourth proportional to 42,659.28, 63,958.80 and 14,565.84 is: 21,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,659.28 : 63,958.80 = 14,565.84 : x
  2. Step 2: Convert to fraction form
    42,659.28/63,958.80 = 14,565.84/x
  3. Step 3: Cross multiply
    42,659.28x = 63,958.80 × 14,565.84
  4. Step 4: Simplify right side
    42,659.28x = 931,613,647.39
  5. Step 5: Solve for x
    x = 931,613,647.39/42,659.28
  6. Step 6: Final answer
    x = 21,838.48

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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.