Home / 35,158.51-52,731.78-15,431.77

Finding the Fourth Proportional to 35,158.51, 52,731.78 and 15,431.77

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Solution

The fourth proportional to 35,158.51, 52,731.78 and 15,431.77 is: 23,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,158.51 : 52,731.78 = 15,431.77 : x
  2. Step 2: Convert to fraction form
    35,158.51/52,731.78 = 15,431.77/x
  3. Step 3: Cross multiply
    35,158.51x = 52,731.78 × 15,431.77
  4. Step 4: Simplify right side
    35,158.51x = 813,744,700.65
  5. Step 5: Solve for x
    x = 813,744,700.65/35,158.51
  6. Step 6: Final answer
    x = 23,145.03

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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.