Home / 28,340.16-42,489.45-14,293.23

Finding the Fourth Proportional to 28,340.16, 42,489.45 and 14,293.23

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Solution

The fourth proportional to 28,340.16, 42,489.45 and 14,293.23 is: 21,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.16 : 42,489.45 = 14,293.23 : x
  2. Step 2: Convert to fraction form
    28,340.16/42,489.45 = 14,293.23/x
  3. Step 3: Cross multiply
    28,340.16x = 42,489.45 × 14,293.23
  4. Step 4: Simplify right side
    28,340.16x = 607,311,481.42
  5. Step 5: Solve for x
    x = 607,311,481.42/28,340.16
  6. Step 6: Final answer
    x = 21,429.36

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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.