Home / 28,572.30-42,825.33-16,895.34

Finding the Fourth Proportional to 28,572.30, 42,825.33 and 16,895.34

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Solution

The fourth proportional to 28,572.30, 42,825.33 and 16,895.34 is: 25,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.30 : 42,825.33 = 16,895.34 : x
  2. Step 2: Convert to fraction form
    28,572.30/42,825.33 = 16,895.34/x
  3. Step 3: Cross multiply
    28,572.30x = 42,825.33 × 16,895.34
  4. Step 4: Simplify right side
    28,572.30x = 723,548,510.96
  5. Step 5: Solve for x
    x = 723,548,510.96/28,572.30
  6. Step 6: Final answer
    x = 25,323.43

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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.