Home / 21,670.23-32,510.07-6,677.40

Finding the Fourth Proportional to 21,670.23, 32,510.07 and 6,677.40

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Solution

The fourth proportional to 21,670.23, 32,510.07 and 6,677.40 is: 10,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.23 : 32,510.07 = 6,677.40 : x
  2. Step 2: Convert to fraction form
    21,670.23/32,510.07 = 6,677.40/x
  3. Step 3: Cross multiply
    21,670.23x = 32,510.07 × 6,677.40
  4. Step 4: Simplify right side
    21,670.23x = 217,082,741.42
  5. Step 5: Solve for x
    x = 217,082,741.42/21,670.23
  6. Step 6: Final answer
    x = 10,017.56

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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.