Home / 28,266.12-42,399.13-22,030.80

Finding the Fourth Proportional to 28,266.12, 42,399.13 and 22,030.80

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Solution

The fourth proportional to 28,266.12, 42,399.13 and 22,030.80 is: 33,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.12 : 42,399.13 = 22,030.80 : x
  2. Step 2: Convert to fraction form
    28,266.12/42,399.13 = 22,030.80/x
  3. Step 3: Cross multiply
    28,266.12x = 42,399.13 × 22,030.80
  4. Step 4: Simplify right side
    28,266.12x = 934,086,804.12
  5. Step 5: Solve for x
    x = 934,086,804.12/28,266.12
  6. Step 6: Final answer
    x = 33,046.17

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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.