Home / 22,833.20-31,440.93-18,364.34

Finding the Fourth Proportional to 22,833.20, 31,440.93 and 18,364.34

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Solution

The fourth proportional to 22,833.20, 31,440.93 and 18,364.34 is: 25,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,833.20 : 31,440.93 = 18,364.34 : x
  2. Step 2: Convert to fraction form
    22,833.20/31,440.93 = 18,364.34/x
  3. Step 3: Cross multiply
    22,833.20x = 31,440.93 × 18,364.34
  4. Step 4: Simplify right side
    22,833.20x = 577,391,928.44
  5. Step 5: Solve for x
    x = 577,391,928.44/22,833.20
  6. Step 6: Final answer
    x = 25,287.39

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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.