Home / 52,854.20-72,938.76-28,981.26

Finding the Fourth Proportional to 52,854.20, 72,938.76 and 28,981.26

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Solution

The fourth proportional to 52,854.20, 72,938.76 and 28,981.26 is: 39,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,854.20 : 72,938.76 = 28,981.26 : x
  2. Step 2: Convert to fraction form
    52,854.20/72,938.76 = 28,981.26/x
  3. Step 3: Cross multiply
    52,854.20x = 72,938.76 × 28,981.26
  4. Step 4: Simplify right side
    52,854.20x = 2,113,857,167.64
  5. Step 5: Solve for x
    x = 2,113,857,167.64/52,854.20
  6. Step 6: Final answer
    x = 39,994.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.