Home / 28,232.34-38,959.65-15,658.26

Finding the Fourth Proportional to 28,232.34, 38,959.65 and 15,658.26

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Solution

The fourth proportional to 28,232.34, 38,959.65 and 15,658.26 is: 21,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.34 : 38,959.65 = 15,658.26 : x
  2. Step 2: Convert to fraction form
    28,232.34/38,959.65 = 15,658.26/x
  3. Step 3: Cross multiply
    28,232.34x = 38,959.65 × 15,658.26
  4. Step 4: Simplify right side
    28,232.34x = 610,040,329.21
  5. Step 5: Solve for x
    x = 610,040,329.21/28,232.34
  6. Step 6: Final answer
    x = 21,607.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.