Home / 31,927.12-47,890.80-8,552.80

Finding the Fourth Proportional to 31,927.12, 47,890.80 and 8,552.80

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Solution

The fourth proportional to 31,927.12, 47,890.80 and 8,552.80 is: 12,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927.12 : 47,890.80 = 8,552.80 : x
  2. Step 2: Convert to fraction form
    31,927.12/47,890.80 = 8,552.80/x
  3. Step 3: Cross multiply
    31,927.12x = 47,890.80 × 8,552.80
  4. Step 4: Simplify right side
    31,927.12x = 409,600,434.24
  5. Step 5: Solve for x
    x = 409,600,434.24/31,927.12
  6. Step 6: Final answer
    x = 12,829.23

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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.