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Finding the Fourth Proportional to 56,239.88, 84,401.55 and 26,657.78

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Solution

The fourth proportional to 56,239.88, 84,401.55 and 26,657.78 is: 40,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,239.88 : 84,401.55 = 26,657.78 : x
  2. Step 2: Convert to fraction form
    56,239.88/84,401.55 = 26,657.78/x
  3. Step 3: Cross multiply
    56,239.88x = 84,401.55 × 26,657.78
  4. Step 4: Simplify right side
    56,239.88x = 2,249,957,529.55
  5. Step 5: Solve for x
    x = 2,249,957,529.55/56,239.88
  6. Step 6: Final answer
    x = 40,006.45

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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.