Home / 28,862.53-39,835.48-17,221.50

Finding the Fourth Proportional to 28,862.53, 39,835.48 and 17,221.50

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Solution

The fourth proportional to 28,862.53, 39,835.48 and 17,221.50 is: 23,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.53 : 39,835.48 = 17,221.50 : x
  2. Step 2: Convert to fraction form
    28,862.53/39,835.48 = 17,221.50/x
  3. Step 3: Cross multiply
    28,862.53x = 39,835.48 × 17,221.50
  4. Step 4: Simplify right side
    28,862.53x = 686,026,718.82
  5. Step 5: Solve for x
    x = 686,026,718.82/28,862.53
  6. Step 6: Final answer
    x = 23,768.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.