Home / 27,701.32-38,228.70-17,090.68

Finding the Fourth Proportional to 27,701.32, 38,228.70 and 17,090.68

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Solution

The fourth proportional to 27,701.32, 38,228.70 and 17,090.68 is: 23,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.32 : 38,228.70 = 17,090.68 : x
  2. Step 2: Convert to fraction form
    27,701.32/38,228.70 = 17,090.68/x
  3. Step 3: Cross multiply
    27,701.32x = 38,228.70 × 17,090.68
  4. Step 4: Simplify right side
    27,701.32x = 653,354,478.52
  5. Step 5: Solve for x
    x = 653,354,478.52/27,701.32
  6. Step 6: Final answer
    x = 23,585.68

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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.