Home / 35,515.29-53,263.71-10,549.47

Finding the Fourth Proportional to 35,515.29, 53,263.71 and 10,549.47

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Solution

The fourth proportional to 35,515.29, 53,263.71 and 10,549.47 is: 15,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.29 : 53,263.71 = 10,549.47 : x
  2. Step 2: Convert to fraction form
    35,515.29/53,263.71 = 10,549.47/x
  3. Step 3: Cross multiply
    35,515.29x = 53,263.71 × 10,549.47
  4. Step 4: Simplify right side
    35,515.29x = 561,903,910.73
  5. Step 5: Solve for x
    x = 561,903,910.73/35,515.29
  6. Step 6: Final answer
    x = 15,821.46

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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.