Home / 28,366.48-42,551.88-8,646.58

Finding the Fourth Proportional to 28,366.48, 42,551.88 and 8,646.58

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Solution

The fourth proportional to 28,366.48, 42,551.88 and 8,646.58 is: 12,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.48 : 42,551.88 = 8,646.58 : x
  2. Step 2: Convert to fraction form
    28,366.48/42,551.88 = 8,646.58/x
  3. Step 3: Cross multiply
    28,366.48x = 42,551.88 × 8,646.58
  4. Step 4: Simplify right side
    28,366.48x = 367,928,234.57
  5. Step 5: Solve for x
    x = 367,928,234.57/28,366.48
  6. Step 6: Final answer
    x = 12,970.53

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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.