Home / 52,484.78-72,428.44-28,610.95

Finding the Fourth Proportional to 52,484.78, 72,428.44 and 28,610.95

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Solution

The fourth proportional to 52,484.78, 72,428.44 and 28,610.95 is: 39,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,484.78 : 72,428.44 = 28,610.95 : x
  2. Step 2: Convert to fraction form
    52,484.78/72,428.44 = 28,610.95/x
  3. Step 3: Cross multiply
    52,484.78x = 72,428.44 × 28,610.95
  4. Step 4: Simplify right side
    52,484.78x = 2,072,246,475.42
  5. Step 5: Solve for x
    x = 2,072,246,475.42/52,484.78
  6. Step 6: Final answer
    x = 39,482.81

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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.