Home / 27,412.39-37,829.12-15,475.76

Finding the Fourth Proportional to 27,412.39, 37,829.12 and 15,475.76

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Solution

The fourth proportional to 27,412.39, 37,829.12 and 15,475.76 is: 21,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.39 : 37,829.12 = 15,475.76 : x
  2. Step 2: Convert to fraction form
    27,412.39/37,829.12 = 15,475.76/x
  3. Step 3: Cross multiply
    27,412.39x = 37,829.12 × 15,475.76
  4. Step 4: Simplify right side
    27,412.39x = 585,434,115.61
  5. Step 5: Solve for x
    x = 585,434,115.61/27,412.39
  6. Step 6: Final answer
    x = 21,356.55

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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.