Home / 18,838.20-26,058.60-17,561.64

Finding the Fourth Proportional to 18,838.20, 26,058.60 and 17,561.64

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Solution

The fourth proportional to 18,838.20, 26,058.60 and 17,561.64 is: 24,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.20 : 26,058.60 = 17,561.64 : x
  2. Step 2: Convert to fraction form
    18,838.20/26,058.60 = 17,561.64/x
  3. Step 3: Cross multiply
    18,838.20x = 26,058.60 × 17,561.64
  4. Step 4: Simplify right side
    18,838.20x = 457,631,752.10
  5. Step 5: Solve for x
    x = 457,631,752.10/18,838.20
  6. Step 6: Final answer
    x = 24,292.75

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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.