Home / 26,829.31-37,026.18-15,499.29

Finding the Fourth Proportional to 26,829.31, 37,026.18 and 15,499.29

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Solution

The fourth proportional to 26,829.31, 37,026.18 and 15,499.29 is: 21,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.31 : 37,026.18 = 15,499.29 : x
  2. Step 2: Convert to fraction form
    26,829.31/37,026.18 = 15,499.29/x
  3. Step 3: Cross multiply
    26,829.31x = 37,026.18 × 15,499.29
  4. Step 4: Simplify right side
    26,829.31x = 573,879,501.41
  5. Step 5: Solve for x
    x = 573,879,501.41/26,829.31
  6. Step 6: Final answer
    x = 21,390.02

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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.