Home / 23,151.93-31,960.70-15,508.36

Finding the Fourth Proportional to 23,151.93, 31,960.70 and 15,508.36

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Solution

The fourth proportional to 23,151.93, 31,960.70 and 15,508.36 is: 21,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.93 : 31,960.70 = 15,508.36 : x
  2. Step 2: Convert to fraction form
    23,151.93/31,960.70 = 15,508.36/x
  3. Step 3: Cross multiply
    23,151.93x = 31,960.70 × 15,508.36
  4. Step 4: Simplify right side
    23,151.93x = 495,658,105.63
  5. Step 5: Solve for x
    x = 495,658,105.63/23,151.93
  6. Step 6: Final answer
    x = 21,408.94

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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.