Home / 27,390.88-37,800.55-15,454.17

Finding the Fourth Proportional to 27,390.88, 37,800.55 and 15,454.17

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Solution

The fourth proportional to 27,390.88, 37,800.55 and 15,454.17 is: 21,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.88 : 37,800.55 = 15,454.17 : x
  2. Step 2: Convert to fraction form
    27,390.88/37,800.55 = 15,454.17/x
  3. Step 3: Cross multiply
    27,390.88x = 37,800.55 × 15,454.17
  4. Step 4: Simplify right side
    27,390.88x = 584,176,125.79
  5. Step 5: Solve for x
    x = 584,176,125.79/27,390.88
  6. Step 6: Final answer
    x = 21,327.40

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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.