Home / 40,688.33-61,041.81-15,728.59

Finding the Fourth Proportional to 40,688.33, 61,041.81 and 15,728.59

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Solution

The fourth proportional to 40,688.33, 61,041.81 and 15,728.59 is: 23,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.33 : 61,041.81 = 15,728.59 : x
  2. Step 2: Convert to fraction form
    40,688.33/61,041.81 = 15,728.59/x
  3. Step 3: Cross multiply
    40,688.33x = 61,041.81 × 15,728.59
  4. Step 4: Simplify right side
    40,688.33x = 960,101,297.14
  5. Step 5: Solve for x
    x = 960,101,297.14/40,688.33
  6. Step 6: Final answer
    x = 23,596.48

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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.