Home / 26,890.24-37,108.80-15,712.24

Finding the Fourth Proportional to 26,890.24, 37,108.80 and 15,712.24

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Solution

The fourth proportional to 26,890.24, 37,108.80 and 15,712.24 is: 21,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.24 : 37,108.80 = 15,712.24 : x
  2. Step 2: Convert to fraction form
    26,890.24/37,108.80 = 15,712.24/x
  3. Step 3: Cross multiply
    26,890.24x = 37,108.80 × 15,712.24
  4. Step 4: Simplify right side
    26,890.24x = 583,062,371.71
  5. Step 5: Solve for x
    x = 583,062,371.71/26,890.24
  6. Step 6: Final answer
    x = 21,683.05

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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.