Home / 27,081.51-37,374.20-15,145.72

Finding the Fourth Proportional to 27,081.51, 37,374.20 and 15,145.72

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Solution

The fourth proportional to 27,081.51, 37,374.20 and 15,145.72 is: 20,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.51 : 37,374.20 = 15,145.72 : x
  2. Step 2: Convert to fraction form
    27,081.51/37,374.20 = 15,145.72/x
  3. Step 3: Cross multiply
    27,081.51x = 37,374.20 × 15,145.72
  4. Step 4: Simplify right side
    27,081.51x = 566,059,056.06
  5. Step 5: Solve for x
    x = 566,059,056.06/27,081.51
  6. Step 6: Final answer
    x = 20,902.05

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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.