Home / 26,360.69-39,543.05-7,640.98

Finding the Fourth Proportional to 26,360.69, 39,543.05 and 7,640.98

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Solution

The fourth proportional to 26,360.69, 39,543.05 and 7,640.98 is: 11,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,360.69 : 39,543.05 = 7,640.98 : x
  2. Step 2: Convert to fraction form
    26,360.69/39,543.05 = 7,640.98/x
  3. Step 3: Cross multiply
    26,360.69x = 39,543.05 × 7,640.98
  4. Step 4: Simplify right side
    26,360.69x = 302,147,574.43
  5. Step 5: Solve for x
    x = 302,147,574.43/26,360.69
  6. Step 6: Final answer
    x = 11,462.05

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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.