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Finding the Fourth Proportional to 52,002.84, 71,763.84 and 28,129.51

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Solution

The fourth proportional to 52,002.84, 71,763.84 and 28,129.51 is: 38,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002.84 : 71,763.84 = 28,129.51 : x
  2. Step 2: Convert to fraction form
    52,002.84/71,763.84 = 28,129.51/x
  3. Step 3: Cross multiply
    52,002.84x = 71,763.84 × 28,129.51
  4. Step 4: Simplify right side
    52,002.84x = 2,018,681,744.62
  5. Step 5: Solve for x
    x = 2,018,681,744.62/52,002.84
  6. Step 6: Final answer
    x = 38,818.68

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1.5x scale

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.