Home / 21,719.59-32,583.51-7,484.29

Finding the Fourth Proportional to 21,719.59, 32,583.51 and 7,484.29

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Solution

The fourth proportional to 21,719.59, 32,583.51 and 7,484.29 is: 11,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.59 : 32,583.51 = 7,484.29 : x
  2. Step 2: Convert to fraction form
    21,719.59/32,583.51 = 7,484.29/x
  3. Step 3: Cross multiply
    21,719.59x = 32,583.51 × 7,484.29
  4. Step 4: Simplify right side
    21,719.59x = 243,864,438.06
  5. Step 5: Solve for x
    x = 243,864,438.06/21,719.59
  6. Step 6: Final answer
    x = 11,227.86

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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.