Home / 28,099.36-38,784.84-17,482.66

Finding the Fourth Proportional to 28,099.36, 38,784.84 and 17,482.66

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Solution

The fourth proportional to 28,099.36, 38,784.84 and 17,482.66 is: 24,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.36 : 38,784.84 = 17,482.66 : x
  2. Step 2: Convert to fraction form
    28,099.36/38,784.84 = 17,482.66/x
  3. Step 3: Cross multiply
    28,099.36x = 38,784.84 × 17,482.66
  4. Step 4: Simplify right side
    28,099.36x = 678,062,170.87
  5. Step 5: Solve for x
    x = 678,062,170.87/28,099.36
  6. Step 6: Final answer
    x = 24,130.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.