Home / 27,822.07-38,394.12-15,075.01

Finding the Fourth Proportional to 27,822.07, 38,394.12 and 15,075.01

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Solution

The fourth proportional to 27,822.07, 38,394.12 and 15,075.01 is: 20,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.07 : 38,394.12 = 15,075.01 : x
  2. Step 2: Convert to fraction form
    27,822.07/38,394.12 = 15,075.01/x
  3. Step 3: Cross multiply
    27,822.07x = 38,394.12 × 15,075.01
  4. Step 4: Simplify right side
    27,822.07x = 578,791,742.94
  5. Step 5: Solve for x
    x = 578,791,742.94/27,822.07
  6. Step 6: Final answer
    x = 20,803.33

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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.