Home / 28,577.40-39,438.24-17,246.72

Finding the Fourth Proportional to 28,577.40, 39,438.24 and 17,246.72

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Solution

The fourth proportional to 28,577.40, 39,438.24 and 17,246.72 is: 23,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.40 : 39,438.24 = 17,246.72 : x
  2. Step 2: Convert to fraction form
    28,577.40/39,438.24 = 17,246.72/x
  3. Step 3: Cross multiply
    28,577.40x = 39,438.24 × 17,246.72
  4. Step 4: Simplify right side
    28,577.40x = 680,180,085.38
  5. Step 5: Solve for x
    x = 680,180,085.38/28,577.40
  6. Step 6: Final answer
    x = 23,801.33

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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.