Home / 21,440.34-32,171.48-10,208.38

Finding the Fourth Proportional to 21,440.34, 32,171.48 and 10,208.38

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Solution

The fourth proportional to 21,440.34, 32,171.48 and 10,208.38 is: 15,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.34 : 32,171.48 = 10,208.38 : x
  2. Step 2: Convert to fraction form
    21,440.34/32,171.48 = 10,208.38/x
  3. Step 3: Cross multiply
    21,440.34x = 32,171.48 × 10,208.38
  4. Step 4: Simplify right side
    21,440.34x = 328,418,693.00
  5. Step 5: Solve for x
    x = 328,418,693.00/21,440.34
  6. Step 6: Final answer
    x = 15,317.79

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1.5x scale

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.