Home / 28,244.98-38,981.53-16,308.30

Finding the Fourth Proportional to 28,244.98, 38,981.53 and 16,308.30

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Solution

The fourth proportional to 28,244.98, 38,981.53 and 16,308.30 is: 22,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.98 : 38,981.53 = 16,308.30 : x
  2. Step 2: Convert to fraction form
    28,244.98/38,981.53 = 16,308.30/x
  3. Step 3: Cross multiply
    28,244.98x = 38,981.53 × 16,308.30
  4. Step 4: Simplify right side
    28,244.98x = 635,722,298.75
  5. Step 5: Solve for x
    x = 635,722,298.75/28,244.98
  6. Step 6: Final answer
    x = 22,507.45

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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.