Home / 25,329.66-37,999.16-8,691.39

Finding the Fourth Proportional to 25,329.66, 37,999.16 and 8,691.39

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Solution

The fourth proportional to 25,329.66, 37,999.16 and 8,691.39 is: 13,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.66 : 37,999.16 = 8,691.39 : x
  2. Step 2: Convert to fraction form
    25,329.66/37,999.16 = 8,691.39/x
  3. Step 3: Cross multiply
    25,329.66x = 37,999.16 × 8,691.39
  4. Step 4: Simplify right side
    25,329.66x = 330,265,475.78
  5. Step 5: Solve for x
    x = 330,265,475.78/25,329.66
  6. Step 6: Final answer
    x = 13,038.69

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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.