Home / 42,261.88-58,308.24-28,117.12

Finding the Fourth Proportional to 42,261.88, 58,308.24 and 28,117.12

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Solution

The fourth proportional to 42,261.88, 58,308.24 and 28,117.12 is: 38,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,261.88 : 58,308.24 = 28,117.12 : x
  2. Step 2: Convert to fraction form
    42,261.88/58,308.24 = 28,117.12/x
  3. Step 3: Cross multiply
    42,261.88x = 58,308.24 × 28,117.12
  4. Step 4: Simplify right side
    42,261.88x = 1,639,459,781.07
  5. Step 5: Solve for x
    x = 1,639,459,781.07/42,261.88
  6. Step 6: Final answer
    x = 38,792.87

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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.