Home / 26,501.55-39,699.24-15,965.70

Finding the Fourth Proportional to 26,501.55, 39,699.24 and 15,965.70

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Solution

The fourth proportional to 26,501.55, 39,699.24 and 15,965.70 is: 23,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.55 : 39,699.24 = 15,965.70 : x
  2. Step 2: Convert to fraction form
    26,501.55/39,699.24 = 15,965.70/x
  3. Step 3: Cross multiply
    26,501.55x = 39,699.24 × 15,965.70
  4. Step 4: Simplify right side
    26,501.55x = 633,826,156.07
  5. Step 5: Solve for x
    x = 633,826,156.07/26,501.55
  6. Step 6: Final answer
    x = 23,916.57

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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.