Home / 31,256.76-43,133.16-17,827.80

Finding the Fourth Proportional to 31,256.76, 43,133.16 and 17,827.80

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Solution

The fourth proportional to 31,256.76, 43,133.16 and 17,827.80 is: 24,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.76 : 43,133.16 = 17,827.80 : x
  2. Step 2: Convert to fraction form
    31,256.76/43,133.16 = 17,827.80/x
  3. Step 3: Cross multiply
    31,256.76x = 43,133.16 × 17,827.80
  4. Step 4: Simplify right side
    31,256.76x = 768,969,349.85
  5. Step 5: Solve for x
    x = 768,969,349.85/31,256.76
  6. Step 6: Final answer
    x = 24,601.70

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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.