Home / 27,588.12-38,071.80-15,013.14

Finding the Fourth Proportional to 27,588.12, 38,071.80 and 15,013.14

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Solution

The fourth proportional to 27,588.12, 38,071.80 and 15,013.14 is: 20,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.12 : 38,071.80 = 15,013.14 : x
  2. Step 2: Convert to fraction form
    27,588.12/38,071.80 = 15,013.14/x
  3. Step 3: Cross multiply
    27,588.12x = 38,071.80 × 15,013.14
  4. Step 4: Simplify right side
    27,588.12x = 571,577,263.45
  5. Step 5: Solve for x
    x = 571,577,263.45/27,588.12
  6. Step 6: Final answer
    x = 20,718.24

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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.