Home / 28,338.72-42,585.84-26,728.44

Finding the Fourth Proportional to 28,338.72, 42,585.84 and 26,728.44

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Solution

The fourth proportional to 28,338.72, 42,585.84 and 26,728.44 is: 40,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.72 : 42,585.84 = 26,728.44 : x
  2. Step 2: Convert to fraction form
    28,338.72/42,585.84 = 26,728.44/x
  3. Step 3: Cross multiply
    28,338.72x = 42,585.84 × 26,728.44
  4. Step 4: Simplify right side
    28,338.72x = 1,138,253,069.29
  5. Step 5: Solve for x
    x = 1,138,253,069.29/28,338.72
  6. Step 6: Final answer
    x = 40,166.00

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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.