Home / 23,036.40-34,525.44-21,170.16

Finding the Fourth Proportional to 23,036.40, 34,525.44 and 21,170.16

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Solution

The fourth proportional to 23,036.40, 34,525.44 and 21,170.16 is: 31,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,036.40 : 34,525.44 = 21,170.16 : x
  2. Step 2: Convert to fraction form
    23,036.40/34,525.44 = 21,170.16/x
  3. Step 3: Cross multiply
    23,036.40x = 34,525.44 × 21,170.16
  4. Step 4: Simplify right side
    23,036.40x = 730,909,088.87
  5. Step 5: Solve for x
    x = 730,909,088.87/23,036.40
  6. Step 6: Final answer
    x = 31,728.44

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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.