Home / 28,989.52-39,996.47-16,240.99

Finding the Fourth Proportional to 28,989.52, 39,996.47 and 16,240.99

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Solution

The fourth proportional to 28,989.52, 39,996.47 and 16,240.99 is: 22,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.52 : 39,996.47 = 16,240.99 : x
  2. Step 2: Convert to fraction form
    28,989.52/39,996.47 = 16,240.99/x
  3. Step 3: Cross multiply
    28,989.52x = 39,996.47 × 16,240.99
  4. Step 4: Simplify right side
    28,989.52x = 649,581,988.12
  5. Step 5: Solve for x
    x = 649,581,988.12/28,989.52
  6. Step 6: Final answer
    x = 22,407.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.