Home / 27,588.31-38,079.90-18,029.59

Finding the Fourth Proportional to 27,588.31, 38,079.90 and 18,029.59

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Solution

The fourth proportional to 27,588.31, 38,079.90 and 18,029.59 is: 24,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.31 : 38,079.90 = 18,029.59 : x
  2. Step 2: Convert to fraction form
    27,588.31/38,079.90 = 18,029.59/x
  3. Step 3: Cross multiply
    27,588.31x = 38,079.90 × 18,029.59
  4. Step 4: Simplify right side
    27,588.31x = 686,564,889.04
  5. Step 5: Solve for x
    x = 686,564,889.04/27,588.31
  6. Step 6: Final answer
    x = 24,886.08

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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.