Home / 26,931.27-37,167.50-15,756.87

Finding the Fourth Proportional to 26,931.27, 37,167.50 and 15,756.87

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Solution

The fourth proportional to 26,931.27, 37,167.50 and 15,756.87 is: 21,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.27 : 37,167.50 = 15,756.87 : x
  2. Step 2: Convert to fraction form
    26,931.27/37,167.50 = 15,756.87/x
  3. Step 3: Cross multiply
    26,931.27x = 37,167.50 × 15,756.87
  4. Step 4: Simplify right side
    26,931.27x = 585,643,386.94
  5. Step 5: Solve for x
    x = 585,643,386.94/26,931.27
  6. Step 6: Final answer
    x = 21,745.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.