Home / 28,011.71-42,033.96-15,542.16

Finding the Fourth Proportional to 28,011.71, 42,033.96 and 15,542.16

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Solution

The fourth proportional to 28,011.71, 42,033.96 and 15,542.16 is: 23,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.71 : 42,033.96 = 15,542.16 : x
  2. Step 2: Convert to fraction form
    28,011.71/42,033.96 = 15,542.16/x
  3. Step 3: Cross multiply
    28,011.71x = 42,033.96 × 15,542.16
  4. Step 4: Simplify right side
    28,011.71x = 653,298,531.75
  5. Step 5: Solve for x
    x = 653,298,531.75/28,011.71
  6. Step 6: Final answer
    x = 23,322.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.