Home / 26,431.65-39,637.95-7,707.93

Finding the Fourth Proportional to 26,431.65, 39,637.95 and 7,707.93

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Solution

The fourth proportional to 26,431.65, 39,637.95 and 7,707.93 is: 11,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.65 : 39,637.95 = 7,707.93 : x
  2. Step 2: Convert to fraction form
    26,431.65/39,637.95 = 7,707.93/x
  3. Step 3: Cross multiply
    26,431.65x = 39,637.95 × 7,707.93
  4. Step 4: Simplify right side
    26,431.65x = 305,526,543.94
  5. Step 5: Solve for x
    x = 305,526,543.94/26,431.65
  6. Step 6: Final answer
    x = 11,559.12

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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.