Home / 26,161.16-36,102.28-15,412.28

Finding the Fourth Proportional to 26,161.16, 36,102.28 and 15,412.28

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Solution

The fourth proportional to 26,161.16, 36,102.28 and 15,412.28 is: 21,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.16 : 36,102.28 = 15,412.28 : x
  2. Step 2: Convert to fraction form
    26,161.16/36,102.28 = 15,412.28/x
  3. Step 3: Cross multiply
    26,161.16x = 36,102.28 × 15,412.28
  4. Step 4: Simplify right side
    26,161.16x = 556,418,448.00
  5. Step 5: Solve for x
    x = 556,418,448.00/26,161.16
  6. Step 6: Final answer
    x = 21,268.88

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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.