Home / 22,621.51-33,948.69-15,913.90

Finding the Fourth Proportional to 22,621.51, 33,948.69 and 15,913.90

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Solution

The fourth proportional to 22,621.51, 33,948.69 and 15,913.90 is: 23,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.51 : 33,948.69 = 15,913.90 : x
  2. Step 2: Convert to fraction form
    22,621.51/33,948.69 = 15,913.90/x
  3. Step 3: Cross multiply
    22,621.51x = 33,948.69 × 15,913.90
  4. Step 4: Simplify right side
    22,621.51x = 540,256,040.55
  5. Step 5: Solve for x
    x = 540,256,040.55/22,621.51
  6. Step 6: Final answer
    x = 23,882.40

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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.