Home / 26,020.16-39,036.44-8,490

Finding the Fourth Proportional to 26,020.16, 39,036.44 and 8,490

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Solution

The fourth proportional to 26,020.16, 39,036.44 and 8,490 is: 12,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,020.16 : 39,036.44 = 8,490 : x
  2. Step 2: Convert to fraction form
    26,020.16/39,036.44 = 8,490/x
  3. Step 3: Cross multiply
    26,020.16x = 39,036.44 × 8,490
  4. Step 4: Simplify right side
    26,020.16x = 331,419,396.83
  5. Step 5: Solve for x
    x = 331,419,396.83/26,020.16
  6. Step 6: Final answer
    x = 12,737.03

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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.