Home / 25,269.17-37,886.85-17,778.86

Finding the Fourth Proportional to 25,269.17, 37,886.85 and 17,778.86

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Solution

The fourth proportional to 25,269.17, 37,886.85 and 17,778.86 is: 26,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.17 : 37,886.85 = 17,778.86 : x
  2. Step 2: Convert to fraction form
    25,269.17/37,886.85 = 17,778.86/x
  3. Step 3: Cross multiply
    25,269.17x = 37,886.85 × 17,778.86
  4. Step 4: Simplify right side
    25,269.17x = 673,584,812.56
  5. Step 5: Solve for x
    x = 673,584,812.56/25,269.17
  6. Step 6: Final answer
    x = 26,656.39

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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.