Home / 40,389.28-60,584.72-10,807.06

Finding the Fourth Proportional to 40,389.28, 60,584.72 and 10,807.06

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Solution

The fourth proportional to 40,389.28, 60,584.72 and 10,807.06 is: 16,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.28 : 60,584.72 = 10,807.06 : x
  2. Step 2: Convert to fraction form
    40,389.28/60,584.72 = 10,807.06/x
  3. Step 3: Cross multiply
    40,389.28x = 60,584.72 × 10,807.06
  4. Step 4: Simplify right side
    40,389.28x = 654,742,704.12
  5. Step 5: Solve for x
    x = 654,742,704.12/40,389.28
  6. Step 6: Final answer
    x = 16,210.81

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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.