Home / 28,219.56-38,946.95-17,467.88

Finding the Fourth Proportional to 28,219.56, 38,946.95 and 17,467.88

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Solution

The fourth proportional to 28,219.56, 38,946.95 and 17,467.88 is: 24,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.56 : 38,946.95 = 17,467.88 : x
  2. Step 2: Convert to fraction form
    28,219.56/38,946.95 = 17,467.88/x
  3. Step 3: Cross multiply
    28,219.56x = 38,946.95 × 17,467.88
  4. Step 4: Simplify right side
    28,219.56x = 680,320,648.97
  5. Step 5: Solve for x
    x = 680,320,648.97/28,219.56
  6. Step 6: Final answer
    x = 24,108.12

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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.