Home / 27,588.40-38,072.03-15,013.15

Finding the Fourth Proportional to 27,588.40, 38,072.03 and 15,013.15

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Solution

The fourth proportional to 27,588.40, 38,072.03 and 15,013.15 is: 20,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.40 : 38,072.03 = 15,013.15 : x
  2. Step 2: Convert to fraction form
    27,588.40/38,072.03 = 15,013.15/x
  3. Step 3: Cross multiply
    27,588.40x = 38,072.03 × 15,013.15
  4. Step 4: Simplify right side
    27,588.40x = 571,580,926.95
  5. Step 5: Solve for x
    x = 571,580,926.95/27,588.40
  6. Step 6: Final answer
    x = 20,718.16

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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.