Home / 52,802.74-72,867.85-28,929.40

Finding the Fourth Proportional to 52,802.74, 72,867.85 and 28,929.40

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Solution

The fourth proportional to 52,802.74, 72,867.85 and 28,929.40 is: 39,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,802.74 : 72,867.85 = 28,929.40 : x
  2. Step 2: Convert to fraction form
    52,802.74/72,867.85 = 28,929.40/x
  3. Step 3: Cross multiply
    52,802.74x = 72,867.85 × 28,929.40
  4. Step 4: Simplify right side
    52,802.74x = 2,108,023,497.91
  5. Step 5: Solve for x
    x = 2,108,023,497.91/52,802.74
  6. Step 6: Final answer
    x = 39,922.62

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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.