Home / 52,453.28-72,384.62-28,580.15

Finding the Fourth Proportional to 52,453.28, 72,384.62 and 28,580.15

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Solution

The fourth proportional to 52,453.28, 72,384.62 and 28,580.15 is: 39,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.28 : 72,384.62 = 28,580.15 : x
  2. Step 2: Convert to fraction form
    52,453.28/72,384.62 = 28,580.15/x
  3. Step 3: Cross multiply
    52,453.28x = 72,384.62 × 28,580.15
  4. Step 4: Simplify right side
    52,453.28x = 2,068,763,154.39
  5. Step 5: Solve for x
    x = 2,068,763,154.39/52,453.28
  6. Step 6: Final answer
    x = 39,440.11

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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.