Home / 28,039.01-38,687.04-16,701.23

Finding the Fourth Proportional to 28,039.01, 38,687.04 and 16,701.23

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Solution

The fourth proportional to 28,039.01, 38,687.04 and 16,701.23 is: 23,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039.01 : 38,687.04 = 16,701.23 : x
  2. Step 2: Convert to fraction form
    28,039.01/38,687.04 = 16,701.23/x
  3. Step 3: Cross multiply
    28,039.01x = 38,687.04 × 16,701.23
  4. Step 4: Simplify right side
    28,039.01x = 646,121,153.06
  5. Step 5: Solve for x
    x = 646,121,153.06/28,039.01
  6. Step 6: Final answer
    x = 23,043.65

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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.