Home / 27,822.66-38,394.88-15,075.55

Finding the Fourth Proportional to 27,822.66, 38,394.88 and 15,075.55

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Solution

The fourth proportional to 27,822.66, 38,394.88 and 15,075.55 is: 20,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.66 : 38,394.88 = 15,075.55 : x
  2. Step 2: Convert to fraction form
    27,822.66/38,394.88 = 15,075.55/x
  3. Step 3: Cross multiply
    27,822.66x = 38,394.88 × 15,075.55
  4. Step 4: Simplify right side
    27,822.66x = 578,823,942.00
  5. Step 5: Solve for x
    x = 578,823,942.00/27,822.66
  6. Step 6: Final answer
    x = 20,804.04

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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.