Home / 27,225.76-37,570.80-15,289.12

Finding the Fourth Proportional to 27,225.76, 37,570.80 and 15,289.12

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Solution

The fourth proportional to 27,225.76, 37,570.80 and 15,289.12 is: 21,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,225.76 : 37,570.80 = 15,289.12 : x
  2. Step 2: Convert to fraction form
    27,225.76/37,570.80 = 15,289.12/x
  3. Step 3: Cross multiply
    27,225.76x = 37,570.80 × 15,289.12
  4. Step 4: Simplify right side
    27,225.76x = 574,424,469.70
  5. Step 5: Solve for x
    x = 574,424,469.70/27,225.76
  6. Step 6: Final answer
    x = 21,098.57

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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.