Home / 27,888.38-38,488.02-17,280.08

Finding the Fourth Proportional to 27,888.38, 38,488.02 and 17,280.08

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Solution

The fourth proportional to 27,888.38, 38,488.02 and 17,280.08 is: 23,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.38 : 38,488.02 = 17,280.08 : x
  2. Step 2: Convert to fraction form
    27,888.38/38,488.02 = 17,280.08/x
  3. Step 3: Cross multiply
    27,888.38x = 38,488.02 × 17,280.08
  4. Step 4: Simplify right side
    27,888.38x = 665,075,872.20
  5. Step 5: Solve for x
    x = 665,075,872.20/27,888.38
  6. Step 6: Final answer
    x = 23,847.78

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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.