Home / 52,854.20-72,938.75-28,981.27

Finding the Fourth Proportional to 52,854.20, 72,938.75 and 28,981.27

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Solution

The fourth proportional to 52,854.20, 72,938.75 and 28,981.27 is: 39,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,854.20 : 72,938.75 = 28,981.27 : x
  2. Step 2: Convert to fraction form
    52,854.20/72,938.75 = 28,981.27/x
  3. Step 3: Cross multiply
    52,854.20x = 72,938.75 × 28,981.27
  4. Step 4: Simplify right side
    52,854.20x = 2,113,857,607.21
  5. Step 5: Solve for x
    x = 2,113,857,607.21/52,854.20
  6. Step 6: Final answer
    x = 39,994.13

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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.