Home / 27,280.48-40,920.72-18,044.32

Finding the Fourth Proportional to 27,280.48, 40,920.72 and 18,044.32

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Solution

The fourth proportional to 27,280.48, 40,920.72 and 18,044.32 is: 27,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.48 : 40,920.72 = 18,044.32 : x
  2. Step 2: Convert to fraction form
    27,280.48/40,920.72 = 18,044.32/x
  3. Step 3: Cross multiply
    27,280.48x = 40,920.72 × 18,044.32
  4. Step 4: Simplify right side
    27,280.48x = 738,386,566.31
  5. Step 5: Solve for x
    x = 738,386,566.31/27,280.48
  6. Step 6: Final answer
    x = 27,066.48

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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.