Home / 42,659.28-58,884.96-28,124.64

Finding the Fourth Proportional to 42,659.28, 58,884.96 and 28,124.64

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Solution

The fourth proportional to 42,659.28, 58,884.96 and 28,124.64 is: 38,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,659.28 : 58,884.96 = 28,124.64 : x
  2. Step 2: Convert to fraction form
    42,659.28/58,884.96 = 28,124.64/x
  3. Step 3: Cross multiply
    42,659.28x = 58,884.96 × 28,124.64
  4. Step 4: Simplify right side
    42,659.28x = 1,656,118,301.41
  5. Step 5: Solve for x
    x = 1,656,118,301.41/42,659.28
  6. Step 6: Final answer
    x = 38,821.99

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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.