Home / 28,191.52-38,908.38-16,252.48

Finding the Fourth Proportional to 28,191.52, 38,908.38 and 16,252.48

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Solution

The fourth proportional to 28,191.52, 38,908.38 and 16,252.48 is: 22,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.52 : 38,908.38 = 16,252.48 : x
  2. Step 2: Convert to fraction form
    28,191.52/38,908.38 = 16,252.48/x
  3. Step 3: Cross multiply
    28,191.52x = 38,908.38 × 16,252.48
  4. Step 4: Simplify right side
    28,191.52x = 632,357,667.78
  5. Step 5: Solve for x
    x = 632,357,667.78/28,191.52
  6. Step 6: Final answer
    x = 22,430.78

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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.