Home / 27,158.72-37,478.92-15,222.06

Finding the Fourth Proportional to 27,158.72, 37,478.92 and 15,222.06

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Solution

The fourth proportional to 27,158.72, 37,478.92 and 15,222.06 is: 21,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.72 : 37,478.92 = 15,222.06 : x
  2. Step 2: Convert to fraction form
    27,158.72/37,478.92 = 15,222.06/x
  3. Step 3: Cross multiply
    27,158.72x = 37,478.92 × 15,222.06
  4. Step 4: Simplify right side
    27,158.72x = 570,506,211.24
  5. Step 5: Solve for x
    x = 570,506,211.24/27,158.72
  6. Step 6: Final answer
    x = 21,006.37

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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.