Home / 26,299.28-39,502.02-15,789.31

Finding the Fourth Proportional to 26,299.28, 39,502.02 and 15,789.31

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Solution

The fourth proportional to 26,299.28, 39,502.02 and 15,789.31 is: 23,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299.28 : 39,502.02 = 15,789.31 : x
  2. Step 2: Convert to fraction form
    26,299.28/39,502.02 = 15,789.31/x
  3. Step 3: Cross multiply
    26,299.28x = 39,502.02 × 15,789.31
  4. Step 4: Simplify right side
    26,299.28x = 623,709,639.41
  5. Step 5: Solve for x
    x = 623,709,639.41/26,299.28
  6. Step 6: Final answer
    x = 23,715.84

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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.