Home / 28,947.55-39,949.76-16,202.01

Finding the Fourth Proportional to 28,947.55, 39,949.76 and 16,202.01

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Solution

The fourth proportional to 28,947.55, 39,949.76 and 16,202.01 is: 22,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.55 : 39,949.76 = 16,202.01 : x
  2. Step 2: Convert to fraction form
    28,947.55/39,949.76 = 16,202.01/x
  3. Step 3: Cross multiply
    28,947.55x = 39,949.76 × 16,202.01
  4. Step 4: Simplify right side
    28,947.55x = 647,266,411.02
  5. Step 5: Solve for x
    x = 647,266,411.02/28,947.55
  6. Step 6: Final answer
    x = 22,359.97

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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.