Home / 19,102.80-28,655.28-5,957.04

Finding the Fourth Proportional to 19,102.80, 28,655.28 and 5,957.04

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Solution

The fourth proportional to 19,102.80, 28,655.28 and 5,957.04 is: 8,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.80 : 28,655.28 = 5,957.04 : x
  2. Step 2: Convert to fraction form
    19,102.80/28,655.28 = 5,957.04/x
  3. Step 3: Cross multiply
    19,102.80x = 28,655.28 × 5,957.04
  4. Step 4: Simplify right side
    19,102.80x = 170,700,649.17
  5. Step 5: Solve for x
    x = 170,700,649.17/19,102.80
  6. Step 6: Final answer
    x = 8,935.90

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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.