Home / 28,922.40-43,332.12-13,307.04

Finding the Fourth Proportional to 28,922.40, 43,332.12 and 13,307.04

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Solution

The fourth proportional to 28,922.40, 43,332.12 and 13,307.04 is: 19,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.40 : 43,332.12 = 13,307.04 : x
  2. Step 2: Convert to fraction form
    28,922.40/43,332.12 = 13,307.04/x
  3. Step 3: Cross multiply
    28,922.40x = 43,332.12 × 13,307.04
  4. Step 4: Simplify right side
    28,922.40x = 576,622,254.12
  5. Step 5: Solve for x
    x = 576,622,254.12/28,922.40
  6. Step 6: Final answer
    x = 19,936.87

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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.