Home / 28,225.17-38,948.99-15,649.92

Finding the Fourth Proportional to 28,225.17, 38,948.99 and 15,649.92

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Solution

The fourth proportional to 28,225.17, 38,948.99 and 15,649.92 is: 21,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.17 : 38,948.99 = 15,649.92 : x
  2. Step 2: Convert to fraction form
    28,225.17/38,948.99 = 15,649.92/x
  3. Step 3: Cross multiply
    28,225.17x = 38,948.99 × 15,649.92
  4. Step 4: Simplify right side
    28,225.17x = 609,548,499.33
  5. Step 5: Solve for x
    x = 609,548,499.33/28,225.17
  6. Step 6: Final answer
    x = 21,595.92

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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.