Home / 21,355.67-32,040.36-10,263.17

Finding the Fourth Proportional to 21,355.67, 32,040.36 and 10,263.17

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Solution

The fourth proportional to 21,355.67, 32,040.36 and 10,263.17 is: 15,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355.67 : 32,040.36 = 10,263.17 : x
  2. Step 2: Convert to fraction form
    21,355.67/32,040.36 = 10,263.17/x
  3. Step 3: Cross multiply
    21,355.67x = 32,040.36 × 10,263.17
  4. Step 4: Simplify right side
    21,355.67x = 328,835,741.64
  5. Step 5: Solve for x
    x = 328,835,741.64/21,355.67
  6. Step 6: Final answer
    x = 15,398.05

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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.