Home / 52,401.78-72,314.64-28,528.47

Finding the Fourth Proportional to 52,401.78, 72,314.64 and 28,528.47

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Solution

The fourth proportional to 52,401.78, 72,314.64 and 28,528.47 is: 39,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.78 : 72,314.64 = 28,528.47 : x
  2. Step 2: Convert to fraction form
    52,401.78/72,314.64 = 28,528.47/x
  3. Step 3: Cross multiply
    52,401.78x = 72,314.64 × 28,528.47
  4. Step 4: Simplify right side
    52,401.78x = 2,063,026,037.80
  5. Step 5: Solve for x
    x = 2,063,026,037.80/52,401.78
  6. Step 6: Final answer
    x = 39,369.39

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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.