Home / 27,156.93-37,472.00-15,220.77

Finding the Fourth Proportional to 27,156.93, 37,472.00 and 15,220.77

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Solution

The fourth proportional to 27,156.93, 37,472.00 and 15,220.77 is: 21,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.93 : 37,472.00 = 15,220.77 : x
  2. Step 2: Convert to fraction form
    27,156.93/37,472.00 = 15,220.77/x
  3. Step 3: Cross multiply
    27,156.93x = 37,472.00 × 15,220.77
  4. Step 4: Simplify right side
    27,156.93x = 570,352,617.34
  5. Step 5: Solve for x
    x = 570,352,617.34/27,156.93
  6. Step 6: Final answer
    x = 21,002.10

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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.