Home / 21,678.17-32,519.42-5,883.45

Finding the Fourth Proportional to 21,678.17, 32,519.42 and 5,883.45

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Solution

The fourth proportional to 21,678.17, 32,519.42 and 5,883.45 is: 8,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678.17 : 32,519.42 = 5,883.45 : x
  2. Step 2: Convert to fraction form
    21,678.17/32,519.42 = 5,883.45/x
  3. Step 3: Cross multiply
    21,678.17x = 32,519.42 × 5,883.45
  4. Step 4: Simplify right side
    21,678.17x = 191,326,381.60
  5. Step 5: Solve for x
    x = 191,326,381.60/21,678.17
  6. Step 6: Final answer
    x = 8,825.76

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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.