Home / 23,710.78-32,719.26-13,100.32

Finding the Fourth Proportional to 23,710.78, 32,719.26 and 13,100.32

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Solution

The fourth proportional to 23,710.78, 32,719.26 and 13,100.32 is: 18,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,710.78 : 32,719.26 = 13,100.32 : x
  2. Step 2: Convert to fraction form
    23,710.78/32,719.26 = 13,100.32/x
  3. Step 3: Cross multiply
    23,710.78x = 32,719.26 × 13,100.32
  4. Step 4: Simplify right side
    23,710.78x = 428,632,776.16
  5. Step 5: Solve for x
    x = 428,632,776.16/23,710.78
  6. Step 6: Final answer
    x = 18,077.55

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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.