Home / 40,491.36-60,742.16-15,864.16

Finding the Fourth Proportional to 40,491.36, 60,742.16 and 15,864.16

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Solution

The fourth proportional to 40,491.36, 60,742.16 and 15,864.16 is: 23,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.36 : 60,742.16 = 15,864.16 : x
  2. Step 2: Convert to fraction form
    40,491.36/60,742.16 = 15,864.16/x
  3. Step 3: Cross multiply
    40,491.36x = 60,742.16 × 15,864.16
  4. Step 4: Simplify right side
    40,491.36x = 963,623,344.99
  5. Step 5: Solve for x
    x = 963,623,344.99/40,491.36
  6. Step 6: Final answer
    x = 23,798.25

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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.