Home / 27,152.96-37,470.47-15,821.75

Finding the Fourth Proportional to 27,152.96, 37,470.47 and 15,821.75

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Solution

The fourth proportional to 27,152.96, 37,470.47 and 15,821.75 is: 21,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.96 : 37,470.47 = 15,821.75 : x
  2. Step 2: Convert to fraction form
    27,152.96/37,470.47 = 15,821.75/x
  3. Step 3: Cross multiply
    27,152.96x = 37,470.47 × 15,821.75
  4. Step 4: Simplify right side
    27,152.96x = 592,848,408.72
  5. Step 5: Solve for x
    x = 592,848,408.72/27,152.96
  6. Step 6: Final answer
    x = 21,833.66

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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.