Home / 15,675.52-23,513.42-3,988.75

Finding the Fourth Proportional to 15,675.52, 23,513.42 and 3,988.75

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Solution

The fourth proportional to 15,675.52, 23,513.42 and 3,988.75 is: 5,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.52 : 23,513.42 = 3,988.75 : x
  2. Step 2: Convert to fraction form
    15,675.52/23,513.42 = 3,988.75/x
  3. Step 3: Cross multiply
    15,675.52x = 23,513.42 × 3,988.75
  4. Step 4: Simplify right side
    15,675.52x = 93,789,154.03
  5. Step 5: Solve for x
    x = 93,789,154.03/15,675.52
  6. Step 6: Final answer
    x = 5,983.16

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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.