Home / 26,457.91-36,513.11-15,847.31

Finding the Fourth Proportional to 26,457.91, 36,513.11 and 15,847.31

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Solution

The fourth proportional to 26,457.91, 36,513.11 and 15,847.31 is: 21,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.91 : 36,513.11 = 15,847.31 : x
  2. Step 2: Convert to fraction form
    26,457.91/36,513.11 = 15,847.31/x
  3. Step 3: Cross multiply
    26,457.91x = 36,513.11 × 15,847.31
  4. Step 4: Simplify right side
    26,457.91x = 578,634,704.14
  5. Step 5: Solve for x
    x = 578,634,704.14/26,457.91
  6. Step 6: Final answer
    x = 21,870.01

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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.