Home / 23,279.84-32,126.90-13,208.70

Finding the Fourth Proportional to 23,279.84, 32,126.90 and 13,208.70

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Solution

The fourth proportional to 23,279.84, 32,126.90 and 13,208.70 is: 18,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.84 : 32,126.90 = 13,208.70 : x
  2. Step 2: Convert to fraction form
    23,279.84/32,126.90 = 13,208.70/x
  3. Step 3: Cross multiply
    23,279.84x = 32,126.90 × 13,208.70
  4. Step 4: Simplify right side
    23,279.84x = 424,354,584.03
  5. Step 5: Solve for x
    x = 424,354,584.03/23,279.84
  6. Step 6: Final answer
    x = 18,228.41

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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.