Home / 26,731.31-36,890.52-15,402.59

Finding the Fourth Proportional to 26,731.31, 36,890.52 and 15,402.59

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Solution

The fourth proportional to 26,731.31, 36,890.52 and 15,402.59 is: 21,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.31 : 36,890.52 = 15,402.59 : x
  2. Step 2: Convert to fraction form
    26,731.31/36,890.52 = 15,402.59/x
  3. Step 3: Cross multiply
    26,731.31x = 36,890.52 × 15,402.59
  4. Step 4: Simplify right side
    26,731.31x = 568,209,369.99
  5. Step 5: Solve for x
    x = 568,209,369.99/26,731.31
  6. Step 6: Final answer
    x = 21,256.32

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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.