Home / 28,096.26-42,165.13-13,305.16

Finding the Fourth Proportional to 28,096.26, 42,165.13 and 13,305.16

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Solution

The fourth proportional to 28,096.26, 42,165.13 and 13,305.16 is: 19,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.26 : 42,165.13 = 13,305.16 : x
  2. Step 2: Convert to fraction form
    28,096.26/42,165.13 = 13,305.16/x
  3. Step 3: Cross multiply
    28,096.26x = 42,165.13 × 13,305.16
  4. Step 4: Simplify right side
    28,096.26x = 561,013,606.88
  5. Step 5: Solve for x
    x = 561,013,606.88/28,096.26
  6. Step 6: Final answer
    x = 19,967.55

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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.