Home / 22,810.80-31,250.27-21,957.96

Finding the Fourth Proportional to 22,810.80, 31,250.27 and 21,957.96

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Solution

The fourth proportional to 22,810.80, 31,250.27 and 21,957.96 is: 30,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,810.80 : 31,250.27 = 21,957.96 : x
  2. Step 2: Convert to fraction form
    22,810.80/31,250.27 = 21,957.96/x
  3. Step 3: Cross multiply
    22,810.80x = 31,250.27 × 21,957.96
  4. Step 4: Simplify right side
    22,810.80x = 686,192,184.71
  5. Step 5: Solve for x
    x = 686,192,184.71/22,810.80
  6. Step 6: Final answer
    x = 30,081.90

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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.