Home / 21,397.93-32,112.64-10,153.29

Finding the Fourth Proportional to 21,397.93, 32,112.64 and 10,153.29

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Solution

The fourth proportional to 21,397.93, 32,112.64 and 10,153.29 is: 15,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.93 : 32,112.64 = 10,153.29 : x
  2. Step 2: Convert to fraction form
    21,397.93/32,112.64 = 10,153.29/x
  3. Step 3: Cross multiply
    21,397.93x = 32,112.64 × 10,153.29
  4. Step 4: Simplify right side
    21,397.93x = 326,048,946.59
  5. Step 5: Solve for x
    x = 326,048,946.59/21,397.93
  6. Step 6: Final answer
    x = 15,237.41

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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.