Home / 35,538.28-53,296.32-12,159.28

Finding the Fourth Proportional to 35,538.28, 53,296.32 and 12,159.28

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Solution

The fourth proportional to 35,538.28, 53,296.32 and 12,159.28 is: 18,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,538.28 : 53,296.32 = 12,159.28 : x
  2. Step 2: Convert to fraction form
    35,538.28/53,296.32 = 12,159.28/x
  3. Step 3: Cross multiply
    35,538.28x = 53,296.32 × 12,159.28
  4. Step 4: Simplify right side
    35,538.28x = 648,044,877.85
  5. Step 5: Solve for x
    x = 648,044,877.85/35,538.28
  6. Step 6: Final answer
    x = 18,235.12

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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.