Home / 43,391.32-59,862.34-28,278.47

Finding the Fourth Proportional to 43,391.32, 59,862.34 and 28,278.47

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Solution

The fourth proportional to 43,391.32, 59,862.34 and 28,278.47 is: 39,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,391.32 : 59,862.34 = 28,278.47 : x
  2. Step 2: Convert to fraction form
    43,391.32/59,862.34 = 28,278.47/x
  3. Step 3: Cross multiply
    43,391.32x = 59,862.34 × 28,278.47
  4. Step 4: Simplify right side
    43,391.32x = 1,692,815,385.82
  5. Step 5: Solve for x
    x = 1,692,815,385.82/43,391.32
  6. Step 6: Final answer
    x = 39,012.77

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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.