Home / 28,317.31-42,476.31-12,303.14

Finding the Fourth Proportional to 28,317.31, 42,476.31 and 12,303.14

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Solution

The fourth proportional to 28,317.31, 42,476.31 and 12,303.14 is: 18,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.31 : 42,476.31 = 12,303.14 : x
  2. Step 2: Convert to fraction form
    28,317.31/42,476.31 = 12,303.14/x
  3. Step 3: Cross multiply
    28,317.31x = 42,476.31 × 12,303.14
  4. Step 4: Simplify right side
    28,317.31x = 522,591,776.23
  5. Step 5: Solve for x
    x = 522,591,776.23/28,317.31
  6. Step 6: Final answer
    x = 18,454.85

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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.