Home / 28,948.52-39,948.36-16,200.92

Finding the Fourth Proportional to 28,948.52, 39,948.36 and 16,200.92

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Solution

The fourth proportional to 28,948.52, 39,948.36 and 16,200.92 is: 22,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.52 : 39,948.36 = 16,200.92 : x
  2. Step 2: Convert to fraction form
    28,948.52/39,948.36 = 16,200.92/x
  3. Step 3: Cross multiply
    28,948.52x = 39,948.36 × 16,200.92
  4. Step 4: Simplify right side
    28,948.52x = 647,200,184.49
  5. Step 5: Solve for x
    x = 647,200,184.49/28,948.52
  6. Step 6: Final answer
    x = 22,356.94

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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.