Home / 26,342.70-39,502.53-7,870.38

Finding the Fourth Proportional to 26,342.70, 39,502.53 and 7,870.38

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Solution

The fourth proportional to 26,342.70, 39,502.53 and 7,870.38 is: 11,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.70 : 39,502.53 = 7,870.38 : x
  2. Step 2: Convert to fraction form
    26,342.70/39,502.53 = 7,870.38/x
  3. Step 3: Cross multiply
    26,342.70x = 39,502.53 × 7,870.38
  4. Step 4: Simplify right side
    26,342.70x = 310,899,922.06
  5. Step 5: Solve for x
    x = 310,899,922.06/26,342.70
  6. Step 6: Final answer
    x = 11,802.13

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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.