Home / 40,940.48-61,428-17,253.92

Finding the Fourth Proportional to 40,940.48, 61,428 and 17,253.92

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Solution

The fourth proportional to 40,940.48, 61,428 and 17,253.92 is: 25,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,940.48 : 61,428 = 17,253.92 : x
  2. Step 2: Convert to fraction form
    40,940.48/61,428 = 17,253.92/x
  3. Step 3: Cross multiply
    40,940.48x = 61,428 × 17,253.92
  4. Step 4: Simplify right side
    40,940.48x = 1,059,873,797.76
  5. Step 5: Solve for x
    x = 1,059,873,797.76/40,940.48
  6. Step 6: Final answer
    x = 25,888.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.