Home / 27,534.90-38,004.24-18,104.34

Finding the Fourth Proportional to 27,534.90, 38,004.24 and 18,104.34

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Solution

The fourth proportional to 27,534.90, 38,004.24 and 18,104.34 is: 24,987.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,534.90 : 38,004.24 = 18,104.34 : x
  2. Step 2: Convert to fraction form
    27,534.90/38,004.24 = 18,104.34/x
  3. Step 3: Cross multiply
    27,534.90x = 38,004.24 × 18,104.34
  4. Step 4: Simplify right side
    27,534.90x = 688,041,682.40
  5. Step 5: Solve for x
    x = 688,041,682.40/27,534.90
  6. Step 6: Final answer
    x = 24,987.99

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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.