Home / 21,447.95-32,136.35-15,176.87

Finding the Fourth Proportional to 21,447.95, 32,136.35 and 15,176.87

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Solution

The fourth proportional to 21,447.95, 32,136.35 and 15,176.87 is: 22,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.95 : 32,136.35 = 15,176.87 : x
  2. Step 2: Convert to fraction form
    21,447.95/32,136.35 = 15,176.87/x
  3. Step 3: Cross multiply
    21,447.95x = 32,136.35 × 15,176.87
  4. Step 4: Simplify right side
    21,447.95x = 487,729,206.22
  5. Step 5: Solve for x
    x = 487,729,206.22/21,447.95
  6. Step 6: Final answer
    x = 22,740.13

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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.