Home / 27,391.08-37,799.60-15,454.16

Finding the Fourth Proportional to 27,391.08, 37,799.60 and 15,454.16

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Solution

The fourth proportional to 27,391.08, 37,799.60 and 15,454.16 is: 21,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.08 : 37,799.60 = 15,454.16 : x
  2. Step 2: Convert to fraction form
    27,391.08/37,799.60 = 15,454.16/x
  3. Step 3: Cross multiply
    27,391.08x = 37,799.60 × 15,454.16
  4. Step 4: Simplify right side
    27,391.08x = 584,161,066.34
  5. Step 5: Solve for x
    x = 584,161,066.34/27,391.08
  6. Step 6: Final answer
    x = 21,326.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.