Home / 22,660.37-31,275.06-18,877.55

Finding the Fourth Proportional to 22,660.37, 31,275.06 and 18,877.55

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Solution

The fourth proportional to 22,660.37, 31,275.06 and 18,877.55 is: 26,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.37 : 31,275.06 = 18,877.55 : x
  2. Step 2: Convert to fraction form
    22,660.37/31,275.06 = 18,877.55/x
  3. Step 3: Cross multiply
    22,660.37x = 31,275.06 × 18,877.55
  4. Step 4: Simplify right side
    22,660.37x = 590,396,475.88
  5. Step 5: Solve for x
    x = 590,396,475.88/22,660.37
  6. Step 6: Final answer
    x = 26,054.14

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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.