Home / 15,565.28-23,347.88-3,878.52

Finding the Fourth Proportional to 15,565.28, 23,347.88 and 3,878.52

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Solution

The fourth proportional to 15,565.28, 23,347.88 and 3,878.52 is: 5,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.28 : 23,347.88 = 3,878.52 : x
  2. Step 2: Convert to fraction form
    15,565.28/23,347.88 = 3,878.52/x
  3. Step 3: Cross multiply
    15,565.28x = 23,347.88 × 3,878.52
  4. Step 4: Simplify right side
    15,565.28x = 90,555,219.54
  5. Step 5: Solve for x
    x = 90,555,219.54/15,565.28
  6. Step 6: Final answer
    x = 5,817.77

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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.