Home / 21,778.74-32,641.43-15,504.75

Finding the Fourth Proportional to 21,778.74, 32,641.43 and 15,504.75

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Solution

The fourth proportional to 21,778.74, 32,641.43 and 15,504.75 is: 23,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778.74 : 32,641.43 = 15,504.75 : x
  2. Step 2: Convert to fraction form
    21,778.74/32,641.43 = 15,504.75/x
  3. Step 3: Cross multiply
    21,778.74x = 32,641.43 × 15,504.75
  4. Step 4: Simplify right side
    21,778.74x = 506,097,134.27
  5. Step 5: Solve for x
    x = 506,097,134.27/21,778.74
  6. Step 6: Final answer
    x = 23,238.13

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1.5x scale

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.