Home / 28,560.57-42,766.32-22,983.45

Finding the Fourth Proportional to 28,560.57, 42,766.32 and 22,983.45

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Solution

The fourth proportional to 28,560.57, 42,766.32 and 22,983.45 is: 34,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.57 : 42,766.32 = 22,983.45 : x
  2. Step 2: Convert to fraction form
    28,560.57/42,766.32 = 22,983.45/x
  3. Step 3: Cross multiply
    28,560.57x = 42,766.32 × 22,983.45
  4. Step 4: Simplify right side
    28,560.57x = 982,917,577.40
  5. Step 5: Solve for x
    x = 982,917,577.40/28,560.57
  6. Step 6: Final answer
    x = 34,415.19

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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.