Home / 28,588.80-42,883.20-19,233.30

Finding the Fourth Proportional to 28,588.80, 42,883.20 and 19,233.30

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Solution

The fourth proportional to 28,588.80, 42,883.20 and 19,233.30 is: 28,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.80 : 42,883.20 = 19,233.30 : x
  2. Step 2: Convert to fraction form
    28,588.80/42,883.20 = 19,233.30/x
  3. Step 3: Cross multiply
    28,588.80x = 42,883.20 × 19,233.30
  4. Step 4: Simplify right side
    28,588.80x = 824,785,450.56
  5. Step 5: Solve for x
    x = 824,785,450.56/28,588.80
  6. Step 6: Final answer
    x = 28,849.95

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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.