Home / 22,810.74-31,250.19-21,957.89

Finding the Fourth Proportional to 22,810.74, 31,250.19 and 21,957.89

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Solution

The fourth proportional to 22,810.74, 31,250.19 and 21,957.89 is: 30,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,810.74 : 31,250.19 = 21,957.89 : x
  2. Step 2: Convert to fraction form
    22,810.74/31,250.19 = 21,957.89/x
  3. Step 3: Cross multiply
    22,810.74x = 31,250.19 × 21,957.89
  4. Step 4: Simplify right side
    22,810.74x = 686,188,217.02
  5. Step 5: Solve for x
    x = 686,188,217.02/22,810.74
  6. Step 6: Final answer
    x = 30,081.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.