Home / 27,588.75-38,072.61-15,013.50

Finding the Fourth Proportional to 27,588.75, 38,072.61 and 15,013.50

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Solution

The fourth proportional to 27,588.75, 38,072.61 and 15,013.50 is: 20,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.75 : 38,072.61 = 15,013.50 : x
  2. Step 2: Convert to fraction form
    27,588.75/38,072.61 = 15,013.50/x
  3. Step 3: Cross multiply
    27,588.75x = 38,072.61 × 15,013.50
  4. Step 4: Simplify right side
    27,588.75x = 571,603,130.24
  5. Step 5: Solve for x
    x = 571,603,130.24/27,588.75
  6. Step 6: Final answer
    x = 20,718.70

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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.