Home / 35,499.74-53,221.55-17,721.27

Finding the Fourth Proportional to 35,499.74, 53,221.55 and 17,721.27

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Solution

The fourth proportional to 35,499.74, 53,221.55 and 17,721.27 is: 26,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,499.74 : 53,221.55 = 17,721.27 : x
  2. Step 2: Convert to fraction form
    35,499.74/53,221.55 = 17,721.27/x
  3. Step 3: Cross multiply
    35,499.74x = 53,221.55 × 17,721.27
  4. Step 4: Simplify right side
    35,499.74x = 943,153,368.76
  5. Step 5: Solve for x
    x = 943,153,368.76/35,499.74
  6. Step 6: Final answer
    x = 26,567.90

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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.