Home / 35,515.28-53,254.38-10,551.89

Finding the Fourth Proportional to 35,515.28, 53,254.38 and 10,551.89

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Solution

The fourth proportional to 35,515.28, 53,254.38 and 10,551.89 is: 15,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.28 : 53,254.38 = 10,551.89 : x
  2. Step 2: Convert to fraction form
    35,515.28/53,254.38 = 10,551.89/x
  3. Step 3: Cross multiply
    35,515.28x = 53,254.38 × 10,551.89
  4. Step 4: Simplify right side
    35,515.28x = 561,934,359.78
  5. Step 5: Solve for x
    x = 561,934,359.78/35,515.28
  6. Step 6: Final answer
    x = 15,822.33

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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.