Home / 24,186.40-36,279.60-21,114.40

Finding the Fourth Proportional to 24,186.40, 36,279.60 and 21,114.40

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Solution

The fourth proportional to 24,186.40, 36,279.60 and 21,114.40 is: 31,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,186.40 : 36,279.60 = 21,114.40 : x
  2. Step 2: Convert to fraction form
    24,186.40/36,279.60 = 21,114.40/x
  3. Step 3: Cross multiply
    24,186.40x = 36,279.60 × 21,114.40
  4. Step 4: Simplify right side
    24,186.40x = 766,021,986.24
  5. Step 5: Solve for x
    x = 766,021,986.24/24,186.40
  6. Step 6: Final answer
    x = 31,671.60

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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.