Home / 15,515.04-23,097.07-15,422.78

Finding the Fourth Proportional to 15,515.04, 23,097.07 and 15,422.78

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Solution

The fourth proportional to 15,515.04, 23,097.07 and 15,422.78 is: 22,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.04 : 23,097.07 = 15,422.78 : x
  2. Step 2: Convert to fraction form
    15,515.04/23,097.07 = 15,422.78/x
  3. Step 3: Cross multiply
    15,515.04x = 23,097.07 × 15,422.78
  4. Step 4: Simplify right side
    15,515.04x = 356,221,029.25
  5. Step 5: Solve for x
    x = 356,221,029.25/15,515.04
  6. Step 6: Final answer
    x = 22,959.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.