Home / 27,822.65-38,395.26-15,075.95

Finding the Fourth Proportional to 27,822.65, 38,395.26 and 15,075.95

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Solution

The fourth proportional to 27,822.65, 38,395.26 and 15,075.95 is: 20,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.65 : 38,395.26 = 15,075.95 : x
  2. Step 2: Convert to fraction form
    27,822.65/38,395.26 = 15,075.95/x
  3. Step 3: Cross multiply
    27,822.65x = 38,395.26 × 15,075.95
  4. Step 4: Simplify right side
    27,822.65x = 578,844,828.02
  5. Step 5: Solve for x
    x = 578,844,828.02/27,822.65
  6. Step 6: Final answer
    x = 20,804.81

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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.