Home / 40,267.92-60,398.28-18,075.36

Finding the Fourth Proportional to 40,267.92, 60,398.28 and 18,075.36

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Solution

The fourth proportional to 40,267.92, 60,398.28 and 18,075.36 is: 27,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.92 : 60,398.28 = 18,075.36 : x
  2. Step 2: Convert to fraction form
    40,267.92/60,398.28 = 18,075.36/x
  3. Step 3: Cross multiply
    40,267.92x = 60,398.28 × 18,075.36
  4. Step 4: Simplify right side
    40,267.92x = 1,091,720,654.38
  5. Step 5: Solve for x
    x = 1,091,720,654.38/40,267.92
  6. Step 6: Final answer
    x = 27,111.42

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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.