Home / 26,504.81-36,579.16-15,175.20

Finding the Fourth Proportional to 26,504.81, 36,579.16 and 15,175.20

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Solution

The fourth proportional to 26,504.81, 36,579.16 and 15,175.20 is: 20,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,504.81 : 36,579.16 = 15,175.20 : x
  2. Step 2: Convert to fraction form
    26,504.81/36,579.16 = 15,175.20/x
  3. Step 3: Cross multiply
    26,504.81x = 36,579.16 × 15,175.20
  4. Step 4: Simplify right side
    26,504.81x = 555,096,068.83
  5. Step 5: Solve for x
    x = 555,096,068.83/26,504.81
  6. Step 6: Final answer
    x = 20,943.22

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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.