Home / 21,717.76-32,576.63-7,670.15

Finding the Fourth Proportional to 21,717.76, 32,576.63 and 7,670.15

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Solution

The fourth proportional to 21,717.76, 32,576.63 and 7,670.15 is: 11,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.76 : 32,576.63 = 7,670.15 : x
  2. Step 2: Convert to fraction form
    21,717.76/32,576.63 = 7,670.15/x
  3. Step 3: Cross multiply
    21,717.76x = 32,576.63 × 7,670.15
  4. Step 4: Simplify right side
    21,717.76x = 249,867,681.69
  5. Step 5: Solve for x
    x = 249,867,681.69/21,717.76
  6. Step 6: Final answer
    x = 11,505.22

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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.