Home / 28,966.06-39,974.76-16,218.52

Finding the Fourth Proportional to 28,966.06, 39,974.76 and 16,218.52

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Solution

The fourth proportional to 28,966.06, 39,974.76 and 16,218.52 is: 22,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.06 : 39,974.76 = 16,218.52 : x
  2. Step 2: Convert to fraction form
    28,966.06/39,974.76 = 16,218.52/x
  3. Step 3: Cross multiply
    28,966.06x = 39,974.76 × 16,218.52
  4. Step 4: Simplify right side
    28,966.06x = 648,331,444.56
  5. Step 5: Solve for x
    x = 648,331,444.56/28,966.06
  6. Step 6: Final answer
    x = 22,382.45

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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.