Home / 27,261.16-40,888.38-7,272.20

Finding the Fourth Proportional to 27,261.16, 40,888.38 and 7,272.20

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Solution

The fourth proportional to 27,261.16, 40,888.38 and 7,272.20 is: 10,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.16 : 40,888.38 = 7,272.20 : x
  2. Step 2: Convert to fraction form
    27,261.16/40,888.38 = 7,272.20/x
  3. Step 3: Cross multiply
    27,261.16x = 40,888.38 × 7,272.20
  4. Step 4: Simplify right side
    27,261.16x = 297,348,477.04
  5. Step 5: Solve for x
    x = 297,348,477.04/27,261.16
  6. Step 6: Final answer
    x = 10,907.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.