Home / 21,465.66-32,194.85-5,670.87

Finding the Fourth Proportional to 21,465.66, 32,194.85 and 5,670.87

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Solution

The fourth proportional to 21,465.66, 32,194.85 and 5,670.87 is: 8,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.66 : 32,194.85 = 5,670.87 : x
  2. Step 2: Convert to fraction form
    21,465.66/32,194.85 = 5,670.87/x
  3. Step 3: Cross multiply
    21,465.66x = 32,194.85 × 5,670.87
  4. Step 4: Simplify right side
    21,465.66x = 182,572,681.20
  5. Step 5: Solve for x
    x = 182,572,681.20/21,465.66
  6. Step 6: Final answer
    x = 8,505.34

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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.