Home / 27,298.91-37,676.11-15,364.57

Finding the Fourth Proportional to 27,298.91, 37,676.11 and 15,364.57

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Solution

The fourth proportional to 27,298.91, 37,676.11 and 15,364.57 is: 21,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,298.91 : 37,676.11 = 15,364.57 : x
  2. Step 2: Convert to fraction form
    27,298.91/37,676.11 = 15,364.57/x
  3. Step 3: Cross multiply
    27,298.91x = 37,676.11 × 15,364.57
  4. Step 4: Simplify right side
    27,298.91x = 578,877,229.42
  5. Step 5: Solve for x
    x = 578,877,229.42/27,298.91
  6. Step 6: Final answer
    x = 21,205.14

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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.