Home / 27,810.27-38,377.74-15,873.30

Finding the Fourth Proportional to 27,810.27, 38,377.74 and 15,873.30

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Solution

The fourth proportional to 27,810.27, 38,377.74 and 15,873.30 is: 21,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.27 : 38,377.74 = 15,873.30 : x
  2. Step 2: Convert to fraction form
    27,810.27/38,377.74 = 15,873.30/x
  3. Step 3: Cross multiply
    27,810.27x = 38,377.74 × 15,873.30
  4. Step 4: Simplify right side
    27,810.27x = 609,181,380.34
  5. Step 5: Solve for x
    x = 609,181,380.34/27,810.27
  6. Step 6: Final answer
    x = 21,904.91

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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.