Home / 28,010.94-38,642.96-16,674.08

Finding the Fourth Proportional to 28,010.94, 38,642.96 and 16,674.08

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Solution

The fourth proportional to 28,010.94, 38,642.96 and 16,674.08 is: 23,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.94 : 38,642.96 = 16,674.08 : x
  2. Step 2: Convert to fraction form
    28,010.94/38,642.96 = 16,674.08/x
  3. Step 3: Cross multiply
    28,010.94x = 38,642.96 × 16,674.08
  4. Step 4: Simplify right side
    28,010.94x = 644,335,806.48
  5. Step 5: Solve for x
    x = 644,335,806.48/28,010.94
  6. Step 6: Final answer
    x = 23,003.01

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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.