Home / 34,823.20-52,234.80-28,986.40

Finding the Fourth Proportional to 34,823.20, 52,234.80 and 28,986.40

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Solution

The fourth proportional to 34,823.20, 52,234.80 and 28,986.40 is: 43,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,823.20 : 52,234.80 = 28,986.40 : x
  2. Step 2: Convert to fraction form
    34,823.20/52,234.80 = 28,986.40/x
  3. Step 3: Cross multiply
    34,823.20x = 52,234.80 × 28,986.40
  4. Step 4: Simplify right side
    34,823.20x = 1,514,098,806.72
  5. Step 5: Solve for x
    x = 1,514,098,806.72/34,823.20
  6. Step 6: Final answer
    x = 43,479.60

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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.