Home / 28,761.06-42,910.56-25,603.56

Finding the Fourth Proportional to 28,761.06, 42,910.56 and 25,603.56

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Solution

The fourth proportional to 28,761.06, 42,910.56 and 25,603.56 is: 38,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.06 : 42,910.56 = 25,603.56 : x
  2. Step 2: Convert to fraction form
    28,761.06/42,910.56 = 25,603.56/x
  3. Step 3: Cross multiply
    28,761.06x = 42,910.56 × 25,603.56
  4. Step 4: Simplify right side
    28,761.06x = 1,098,663,097.59
  5. Step 5: Solve for x
    x = 1,098,663,097.59/28,761.06
  6. Step 6: Final answer
    x = 38,199.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.