Home / 18,452.51-27,643.08-15,455.36

Finding the Fourth Proportional to 18,452.51, 27,643.08 and 15,455.36

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Solution

The fourth proportional to 18,452.51, 27,643.08 and 15,455.36 is: 23,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.51 : 27,643.08 = 15,455.36 : x
  2. Step 2: Convert to fraction form
    18,452.51/27,643.08 = 15,455.36/x
  3. Step 3: Cross multiply
    18,452.51x = 27,643.08 × 15,455.36
  4. Step 4: Simplify right side
    18,452.51x = 427,233,752.91
  5. Step 5: Solve for x
    x = 427,233,752.91/18,452.51
  6. Step 6: Final answer
    x = 23,153.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.