Home / 28,392.26-42,585.35-8,684.55

Finding the Fourth Proportional to 28,392.26, 42,585.35 and 8,684.55

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Solution

The fourth proportional to 28,392.26, 42,585.35 and 8,684.55 is: 13,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.26 : 42,585.35 = 8,684.55 : x
  2. Step 2: Convert to fraction form
    28,392.26/42,585.35 = 8,684.55/x
  3. Step 3: Cross multiply
    28,392.26x = 42,585.35 × 8,684.55
  4. Step 4: Simplify right side
    28,392.26x = 369,834,557.92
  5. Step 5: Solve for x
    x = 369,834,557.92/28,392.26
  6. Step 6: Final answer
    x = 13,025.90

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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.