Home / 28,798.80-43,195.35-10,075.38

Finding the Fourth Proportional to 28,798.80, 43,195.35 and 10,075.38

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Solution

The fourth proportional to 28,798.80, 43,195.35 and 10,075.38 is: 15,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.80 : 43,195.35 = 10,075.38 : x
  2. Step 2: Convert to fraction form
    28,798.80/43,195.35 = 10,075.38/x
  3. Step 3: Cross multiply
    28,798.80x = 43,195.35 × 10,075.38
  4. Step 4: Simplify right side
    28,798.80x = 435,209,565.48
  5. Step 5: Solve for x
    x = 435,209,565.48/28,798.80
  6. Step 6: Final answer
    x = 15,112.07

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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.