Home / 21,703.45-32,560.56-15,447.95

Finding the Fourth Proportional to 21,703.45, 32,560.56 and 15,447.95

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Solution

The fourth proportional to 21,703.45, 32,560.56 and 15,447.95 is: 23,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.45 : 32,560.56 = 15,447.95 : x
  2. Step 2: Convert to fraction form
    21,703.45/32,560.56 = 15,447.95/x
  3. Step 3: Cross multiply
    21,703.45x = 32,560.56 × 15,447.95
  4. Step 4: Simplify right side
    21,703.45x = 502,993,862.15
  5. Step 5: Solve for x
    x = 502,993,862.15/21,703.45
  6. Step 6: Final answer
    x = 23,175.76

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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.