Home / 27,291.15-37,659.78-15,352.19

Finding the Fourth Proportional to 27,291.15, 37,659.78 and 15,352.19

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Solution

The fourth proportional to 27,291.15, 37,659.78 and 15,352.19 is: 21,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.15 : 37,659.78 = 15,352.19 : x
  2. Step 2: Convert to fraction form
    27,291.15/37,659.78 = 15,352.19/x
  3. Step 3: Cross multiply
    27,291.15x = 37,659.78 × 15,352.19
  4. Step 4: Simplify right side
    27,291.15x = 578,160,097.92
  5. Step 5: Solve for x
    x = 578,160,097.92/27,291.15
  6. Step 6: Final answer
    x = 21,184.89

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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.