Home / 27,290.19-37,659.90-15,353.40

Finding the Fourth Proportional to 27,290.19, 37,659.90 and 15,353.40

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Solution

The fourth proportional to 27,290.19, 37,659.90 and 15,353.40 is: 21,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.19 : 37,659.90 = 15,353.40 : x
  2. Step 2: Convert to fraction form
    27,290.19/37,659.90 = 15,353.40/x
  3. Step 3: Cross multiply
    27,290.19x = 37,659.90 × 15,353.40
  4. Step 4: Simplify right side
    27,290.19x = 578,207,508.66
  5. Step 5: Solve for x
    x = 578,207,508.66/27,290.19
  6. Step 6: Final answer
    x = 21,187.38

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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.