Home / 28,098.52-38,776.74-15,524.08

Finding the Fourth Proportional to 28,098.52, 38,776.74 and 15,524.08

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Solution

The fourth proportional to 28,098.52, 38,776.74 and 15,524.08 is: 21,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.52 : 38,776.74 = 15,524.08 : x
  2. Step 2: Convert to fraction form
    28,098.52/38,776.74 = 15,524.08/x
  3. Step 3: Cross multiply
    28,098.52x = 38,776.74 × 15,524.08
  4. Step 4: Simplify right side
    28,098.52x = 601,973,213.90
  5. Step 5: Solve for x
    x = 601,973,213.90/28,098.52
  6. Step 6: Final answer
    x = 21,423.66

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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.