Home / 21,277.04-31,922.48-10,182.32

Finding the Fourth Proportional to 21,277.04, 31,922.48 and 10,182.32

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Solution

The fourth proportional to 21,277.04, 31,922.48 and 10,182.32 is: 15,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.04 : 31,922.48 = 10,182.32 : x
  2. Step 2: Convert to fraction form
    21,277.04/31,922.48 = 10,182.32/x
  3. Step 3: Cross multiply
    21,277.04x = 31,922.48 × 10,182.32
  4. Step 4: Simplify right side
    21,277.04x = 325,044,906.55
  5. Step 5: Solve for x
    x = 325,044,906.55/21,277.04
  6. Step 6: Final answer
    x = 15,276.79

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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.