Home / 26,572.36-39,832.62-12,731.08

Finding the Fourth Proportional to 26,572.36, 39,832.62 and 12,731.08

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Solution

The fourth proportional to 26,572.36, 39,832.62 and 12,731.08 is: 19,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,572.36 : 39,832.62 = 12,731.08 : x
  2. Step 2: Convert to fraction form
    26,572.36/39,832.62 = 12,731.08/x
  3. Step 3: Cross multiply
    26,572.36x = 39,832.62 × 12,731.08
  4. Step 4: Simplify right side
    26,572.36x = 507,112,271.83
  5. Step 5: Solve for x
    x = 507,112,271.83/26,572.36
  6. Step 6: Final answer
    x = 19,084.20

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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.