Home / 28,394.40-42,559.30-17,276.58

Finding the Fourth Proportional to 28,394.40, 42,559.30 and 17,276.58

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Solution

The fourth proportional to 28,394.40, 42,559.30 and 17,276.58 is: 25,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.40 : 42,559.30 = 17,276.58 : x
  2. Step 2: Convert to fraction form
    28,394.40/42,559.30 = 17,276.58/x
  3. Step 3: Cross multiply
    28,394.40x = 42,559.30 × 17,276.58
  4. Step 4: Simplify right side
    28,394.40x = 735,279,151.19
  5. Step 5: Solve for x
    x = 735,279,151.19/28,394.40
  6. Step 6: Final answer
    x = 25,895.22

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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.