Home / 28,396.16-42,806.84-26,493.20

Finding the Fourth Proportional to 28,396.16, 42,806.84 and 26,493.20

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Solution

The fourth proportional to 28,396.16, 42,806.84 and 26,493.20 is: 39,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.16 : 42,806.84 = 26,493.20 : x
  2. Step 2: Convert to fraction form
    28,396.16/42,806.84 = 26,493.20/x
  3. Step 3: Cross multiply
    28,396.16x = 42,806.84 × 26,493.20
  4. Step 4: Simplify right side
    28,396.16x = 1,134,090,173.49
  5. Step 5: Solve for x
    x = 1,134,090,173.49/28,396.16
  6. Step 6: Final answer
    x = 39,938.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.