Home / 26,417.92-36,457.14-15,808

Finding the Fourth Proportional to 26,417.92, 36,457.14 and 15,808

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Solution

The fourth proportional to 26,417.92, 36,457.14 and 15,808 is: 21,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,417.92 : 36,457.14 = 15,808 : x
  2. Step 2: Convert to fraction form
    26,417.92/36,457.14 = 15,808/x
  3. Step 3: Cross multiply
    26,417.92x = 36,457.14 × 15,808
  4. Step 4: Simplify right side
    26,417.92x = 576,314,469.12
  5. Step 5: Solve for x
    x = 576,314,469.12/26,417.92
  6. Step 6: Final answer
    x = 21,815.29

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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.