Home / 21,352.95-32,029.43-10,257.03

Finding the Fourth Proportional to 21,352.95, 32,029.43 and 10,257.03

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Solution

The fourth proportional to 21,352.95, 32,029.43 and 10,257.03 is: 15,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.95 : 32,029.43 = 10,257.03 : x
  2. Step 2: Convert to fraction form
    21,352.95/32,029.43 = 10,257.03/x
  3. Step 3: Cross multiply
    21,352.95x = 32,029.43 × 10,257.03
  4. Step 4: Simplify right side
    21,352.95x = 328,526,773.11
  5. Step 5: Solve for x
    x = 328,526,773.11/21,352.95
  6. Step 6: Final answer
    x = 15,385.55

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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.