Home / 21,372.57-32,058.86-5,790.20

Finding the Fourth Proportional to 21,372.57, 32,058.86 and 5,790.20

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Solution

The fourth proportional to 21,372.57, 32,058.86 and 5,790.20 is: 8,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.57 : 32,058.86 = 5,790.20 : x
  2. Step 2: Convert to fraction form
    21,372.57/32,058.86 = 5,790.20/x
  3. Step 3: Cross multiply
    21,372.57x = 32,058.86 × 5,790.20
  4. Step 4: Simplify right side
    21,372.57x = 185,627,211.17
  5. Step 5: Solve for x
    x = 185,627,211.17/21,372.57
  6. Step 6: Final answer
    x = 8,685.30

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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.