Home / 28,820.13-39,769.97-16,075.19

Finding the Fourth Proportional to 28,820.13, 39,769.97 and 16,075.19

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Solution

The fourth proportional to 28,820.13, 39,769.97 and 16,075.19 is: 22,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.13 : 39,769.97 = 16,075.19 : x
  2. Step 2: Convert to fraction form
    28,820.13/39,769.97 = 16,075.19/x
  3. Step 3: Cross multiply
    28,820.13x = 39,769.97 × 16,075.19
  4. Step 4: Simplify right side
    28,820.13x = 639,309,544.82
  5. Step 5: Solve for x
    x = 639,309,544.82/28,820.13
  6. Step 6: Final answer
    x = 22,182.74

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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.