Home / 26,417.88-36,457.82-15,805.48

Finding the Fourth Proportional to 26,417.88, 36,457.82 and 15,805.48

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Solution

The fourth proportional to 26,417.88, 36,457.82 and 15,805.48 is: 21,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,417.88 : 36,457.82 = 15,805.48 : x
  2. Step 2: Convert to fraction form
    26,417.88/36,457.82 = 15,805.48/x
  3. Step 3: Cross multiply
    26,417.88x = 36,457.82 × 15,805.48
  4. Step 4: Simplify right side
    26,417.88x = 576,233,344.85
  5. Step 5: Solve for x
    x = 576,233,344.85/26,417.88
  6. Step 6: Final answer
    x = 21,812.25

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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.