Home / 27,909.10-38,513.46-17,298.55

Finding the Fourth Proportional to 27,909.10, 38,513.46 and 17,298.55

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Solution

The fourth proportional to 27,909.10, 38,513.46 and 17,298.55 is: 23,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.10 : 38,513.46 = 17,298.55 : x
  2. Step 2: Convert to fraction form
    27,909.10/38,513.46 = 17,298.55/x
  3. Step 3: Cross multiply
    27,909.10x = 38,513.46 × 17,298.55
  4. Step 4: Simplify right side
    27,909.10x = 666,227,013.48
  5. Step 5: Solve for x
    x = 666,227,013.48/27,909.10
  6. Step 6: Final answer
    x = 23,871.32

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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.