Home / 43,374.15-59,866.34-28,240.47

Finding the Fourth Proportional to 43,374.15, 59,866.34 and 28,240.47

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Solution

The fourth proportional to 43,374.15, 59,866.34 and 28,240.47 is: 38,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,374.15 : 59,866.34 = 28,240.47 : x
  2. Step 2: Convert to fraction form
    43,374.15/59,866.34 = 28,240.47/x
  3. Step 3: Cross multiply
    43,374.15x = 59,866.34 × 28,240.47
  4. Step 4: Simplify right side
    43,374.15x = 1,690,653,437.58
  5. Step 5: Solve for x
    x = 1,690,653,437.58/43,374.15
  6. Step 6: Final answer
    x = 38,978.36

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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.