Home / 27,372.04-37,775.72-15,437.86

Finding the Fourth Proportional to 27,372.04, 37,775.72 and 15,437.86

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Solution

The fourth proportional to 27,372.04, 37,775.72 and 15,437.86 is: 21,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.04 : 37,775.72 = 15,437.86 : x
  2. Step 2: Convert to fraction form
    27,372.04/37,775.72 = 15,437.86/x
  3. Step 3: Cross multiply
    27,372.04x = 37,775.72 × 15,437.86
  4. Step 4: Simplify right side
    27,372.04x = 583,176,276.76
  5. Step 5: Solve for x
    x = 583,176,276.76/27,372.04
  6. Step 6: Final answer
    x = 21,305.55

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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.