Home / 27,822.55-38,395.23-15,075.76

Finding the Fourth Proportional to 27,822.55, 38,395.23 and 15,075.76

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Solution

The fourth proportional to 27,822.55, 38,395.23 and 15,075.76 is: 20,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.55 : 38,395.23 = 15,075.76 : x
  2. Step 2: Convert to fraction form
    27,822.55/38,395.23 = 15,075.76/x
  3. Step 3: Cross multiply
    27,822.55x = 38,395.23 × 15,075.76
  4. Step 4: Simplify right side
    27,822.55x = 578,837,272.62
  5. Step 5: Solve for x
    x = 578,837,272.62/27,822.55
  6. Step 6: Final answer
    x = 20,804.61

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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.