Home / 21,389.10-32,088.23-6,397.38

Finding the Fourth Proportional to 21,389.10, 32,088.23 and 6,397.38

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Solution

The fourth proportional to 21,389.10, 32,088.23 and 6,397.38 is: 9,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389.10 : 32,088.23 = 6,397.38 : x
  2. Step 2: Convert to fraction form
    21,389.10/32,088.23 = 6,397.38/x
  3. Step 3: Cross multiply
    21,389.10x = 32,088.23 × 6,397.38
  4. Step 4: Simplify right side
    21,389.10x = 205,280,600.84
  5. Step 5: Solve for x
    x = 205,280,600.84/21,389.10
  6. Step 6: Final answer
    x = 9,597.44

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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.