Home / 26,497.20-39,731.40-10,916.40

Finding the Fourth Proportional to 26,497.20, 39,731.40 and 10,916.40

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Solution

The fourth proportional to 26,497.20, 39,731.40 and 10,916.40 is: 16,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,497.20 : 39,731.40 = 10,916.40 : x
  2. Step 2: Convert to fraction form
    26,497.20/39,731.40 = 10,916.40/x
  3. Step 3: Cross multiply
    26,497.20x = 39,731.40 × 10,916.40
  4. Step 4: Simplify right side
    26,497.20x = 433,723,854.96
  5. Step 5: Solve for x
    x = 433,723,854.96/26,497.20
  6. Step 6: Final answer
    x = 16,368.67

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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.