Home / 19,820.61-29,767.95-17,449.54

Finding the Fourth Proportional to 19,820.61, 29,767.95 and 17,449.54

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Solution

The fourth proportional to 19,820.61, 29,767.95 and 17,449.54 is: 26,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.61 : 29,767.95 = 17,449.54 : x
  2. Step 2: Convert to fraction form
    19,820.61/29,767.95 = 17,449.54/x
  3. Step 3: Cross multiply
    19,820.61x = 29,767.95 × 17,449.54
  4. Step 4: Simplify right side
    19,820.61x = 519,436,959.82
  5. Step 5: Solve for x
    x = 519,436,959.82/19,820.61
  6. Step 6: Final answer
    x = 26,206.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.