Home / 21,266.56-29,348.80-17,723.84

Finding the Fourth Proportional to 21,266.56, 29,348.80 and 17,723.84

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Solution

The fourth proportional to 21,266.56, 29,348.80 and 17,723.84 is: 24,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.56 : 29,348.80 = 17,723.84 : x
  2. Step 2: Convert to fraction form
    21,266.56/29,348.80 = 17,723.84/x
  3. Step 3: Cross multiply
    21,266.56x = 29,348.80 × 17,723.84
  4. Step 4: Simplify right side
    21,266.56x = 520,173,435.39
  5. Step 5: Solve for x
    x = 520,173,435.39/21,266.56
  6. Step 6: Final answer
    x = 24,459.69

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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.