Home / 26,970.28-40,440.78-14,505.16

Finding the Fourth Proportional to 26,970.28, 40,440.78 and 14,505.16

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Solution

The fourth proportional to 26,970.28, 40,440.78 and 14,505.16 is: 21,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.28 : 40,440.78 = 14,505.16 : x
  2. Step 2: Convert to fraction form
    26,970.28/40,440.78 = 14,505.16/x
  3. Step 3: Cross multiply
    26,970.28x = 40,440.78 × 14,505.16
  4. Step 4: Simplify right side
    26,970.28x = 586,599,984.42
  5. Step 5: Solve for x
    x = 586,599,984.42/26,970.28
  6. Step 6: Final answer
    x = 21,749.87

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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.