Home / 28,620.12-42,844.74-25,616.76

Finding the Fourth Proportional to 28,620.12, 42,844.74 and 25,616.76

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Solution

The fourth proportional to 28,620.12, 42,844.74 and 25,616.76 is: 38,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.12 : 42,844.74 = 25,616.76 : x
  2. Step 2: Convert to fraction form
    28,620.12/42,844.74 = 25,616.76/x
  3. Step 3: Cross multiply
    28,620.12x = 42,844.74 × 25,616.76
  4. Step 4: Simplify right side
    28,620.12x = 1,097,543,421.84
  5. Step 5: Solve for x
    x = 1,097,543,421.84/28,620.12
  6. Step 6: Final answer
    x = 38,348.67

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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.