Home / 26,715.10-36,863.63-15,388.28

Finding the Fourth Proportional to 26,715.10, 36,863.63 and 15,388.28

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Solution

The fourth proportional to 26,715.10, 36,863.63 and 15,388.28 is: 21,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.10 : 36,863.63 = 15,388.28 : x
  2. Step 2: Convert to fraction form
    26,715.10/36,863.63 = 15,388.28/x
  3. Step 3: Cross multiply
    26,715.10x = 36,863.63 × 15,388.28
  4. Step 4: Simplify right side
    26,715.10x = 567,267,860.26
  5. Step 5: Solve for x
    x = 567,267,860.26/26,715.10
  6. Step 6: Final answer
    x = 21,233.98

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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.