Home / 31,853.04-47,778.70-15,224.80

Finding the Fourth Proportional to 31,853.04, 47,778.70 and 15,224.80

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Solution

The fourth proportional to 31,853.04, 47,778.70 and 15,224.80 is: 22,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.04 : 47,778.70 = 15,224.80 : x
  2. Step 2: Convert to fraction form
    31,853.04/47,778.70 = 15,224.80/x
  3. Step 3: Cross multiply
    31,853.04x = 47,778.70 × 15,224.80
  4. Step 4: Simplify right side
    31,853.04x = 727,421,151.76
  5. Step 5: Solve for x
    x = 727,421,151.76/31,853.04
  6. Step 6: Final answer
    x = 22,836.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.