Home / 27,873.08-38,472.23-17,256.68

Finding the Fourth Proportional to 27,873.08, 38,472.23 and 17,256.68

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Solution

The fourth proportional to 27,873.08, 38,472.23 and 17,256.68 is: 23,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.08 : 38,472.23 = 17,256.68 : x
  2. Step 2: Convert to fraction form
    27,873.08/38,472.23 = 17,256.68/x
  3. Step 3: Cross multiply
    27,873.08x = 38,472.23 × 17,256.68
  4. Step 4: Simplify right side
    27,873.08x = 663,902,875.71
  5. Step 5: Solve for x
    x = 663,902,875.71/27,873.08
  6. Step 6: Final answer
    x = 23,818.78

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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.