Home / 21,245.04-31,878.27-15,044.90

Finding the Fourth Proportional to 21,245.04, 31,878.27 and 15,044.90

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Solution

The fourth proportional to 21,245.04, 31,878.27 and 15,044.90 is: 22,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,245.04 : 31,878.27 = 15,044.90 : x
  2. Step 2: Convert to fraction form
    21,245.04/31,878.27 = 15,044.90/x
  3. Step 3: Cross multiply
    21,245.04x = 31,878.27 × 15,044.90
  4. Step 4: Simplify right side
    21,245.04x = 479,605,224.93
  5. Step 5: Solve for x
    x = 479,605,224.93/21,245.04
  6. Step 6: Final answer
    x = 22,574.93

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1.5x scale

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.