Home / 42,989.94-59,278.20-27,862.74

Finding the Fourth Proportional to 42,989.94, 59,278.20 and 27,862.74

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Solution

The fourth proportional to 42,989.94, 59,278.20 and 27,862.74 is: 38,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,989.94 : 59,278.20 = 27,862.74 : x
  2. Step 2: Convert to fraction form
    42,989.94/59,278.20 = 27,862.74/x
  3. Step 3: Cross multiply
    42,989.94x = 59,278.20 × 27,862.74
  4. Step 4: Simplify right side
    42,989.94x = 1,651,653,074.27
  5. Step 5: Solve for x
    x = 1,651,653,074.27/42,989.94
  6. Step 6: Final answer
    x = 38,419.52

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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.