Home / 26,490.24-39,745.62-11,688.71

Finding the Fourth Proportional to 26,490.24, 39,745.62 and 11,688.71

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Solution

The fourth proportional to 26,490.24, 39,745.62 and 11,688.71 is: 17,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.24 : 39,745.62 = 11,688.71 : x
  2. Step 2: Convert to fraction form
    26,490.24/39,745.62 = 11,688.71/x
  3. Step 3: Cross multiply
    26,490.24x = 39,745.62 × 11,688.71
  4. Step 4: Simplify right side
    26,490.24x = 464,574,827.22
  5. Step 5: Solve for x
    x = 464,574,827.22/26,490.24
  6. Step 6: Final answer
    x = 17,537.58

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1.5x scale

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.