Home / 40,995.09-61,478.84-15,688.69

Finding the Fourth Proportional to 40,995.09, 61,478.84 and 15,688.69

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Solution

The fourth proportional to 40,995.09, 61,478.84 and 15,688.69 is: 23,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,995.09 : 61,478.84 = 15,688.69 : x
  2. Step 2: Convert to fraction form
    40,995.09/61,478.84 = 15,688.69/x
  3. Step 3: Cross multiply
    40,995.09x = 61,478.84 × 15,688.69
  4. Step 4: Simplify right side
    40,995.09x = 964,522,347.84
  5. Step 5: Solve for x
    x = 964,522,347.84/40,995.09
  6. Step 6: Final answer
    x = 23,527.75

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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.