Home / 28,263.40-42,338.57-17,012.57

Finding the Fourth Proportional to 28,263.40, 42,338.57 and 17,012.57

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Solution

The fourth proportional to 28,263.40, 42,338.57 and 17,012.57 is: 25,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.40 : 42,338.57 = 17,012.57 : x
  2. Step 2: Convert to fraction form
    28,263.40/42,338.57 = 17,012.57/x
  3. Step 3: Cross multiply
    28,263.40x = 42,338.57 × 17,012.57
  4. Step 4: Simplify right side
    28,263.40x = 720,287,589.07
  5. Step 5: Solve for x
    x = 720,287,589.07/28,263.40
  6. Step 6: Final answer
    x = 25,484.82

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1.5x scale

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.