Home / 21,440.26-29,587.54-12,008.82

Finding the Fourth Proportional to 21,440.26, 29,587.54 and 12,008.82

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Solution

The fourth proportional to 21,440.26, 29,587.54 and 12,008.82 is: 16,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.26 : 29,587.54 = 12,008.82 : x
  2. Step 2: Convert to fraction form
    21,440.26/29,587.54 = 12,008.82/x
  3. Step 3: Cross multiply
    21,440.26x = 29,587.54 × 12,008.82
  4. Step 4: Simplify right side
    21,440.26x = 355,311,442.10
  5. Step 5: Solve for x
    x = 355,311,442.10/21,440.26
  6. Step 6: Final answer
    x = 16,572.16

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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.