Home / 27,290.34-37,660.60-15,353.69

Finding the Fourth Proportional to 27,290.34, 37,660.60 and 15,353.69

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Solution

The fourth proportional to 27,290.34, 37,660.60 and 15,353.69 is: 21,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.34 : 37,660.60 = 15,353.69 : x
  2. Step 2: Convert to fraction form
    27,290.34/37,660.60 = 15,353.69/x
  3. Step 3: Cross multiply
    27,290.34x = 37,660.60 × 15,353.69
  4. Step 4: Simplify right side
    27,290.34x = 578,229,177.61
  5. Step 5: Solve for x
    x = 578,229,177.61/27,290.34
  6. Step 6: Final answer
    x = 21,188.05

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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.