Home / 27,391.04-37,799.64-15,454.47

Finding the Fourth Proportional to 27,391.04, 37,799.64 and 15,454.47

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Solution

The fourth proportional to 27,391.04, 37,799.64 and 15,454.47 is: 21,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.04 : 37,799.64 = 15,454.47 : x
  2. Step 2: Convert to fraction form
    27,391.04/37,799.64 = 15,454.47/x
  3. Step 3: Cross multiply
    27,391.04x = 37,799.64 × 15,454.47
  4. Step 4: Simplify right side
    27,391.04x = 584,173,402.39
  5. Step 5: Solve for x
    x = 584,173,402.39/27,391.04
  6. Step 6: Final answer
    x = 21,327.18

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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.