Home / 27,301.12-37,675.68-15,364.64

Finding the Fourth Proportional to 27,301.12, 37,675.68 and 15,364.64

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Solution

The fourth proportional to 27,301.12, 37,675.68 and 15,364.64 is: 21,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,301.12 : 37,675.68 = 15,364.64 : x
  2. Step 2: Convert to fraction form
    27,301.12/37,675.68 = 15,364.64/x
  3. Step 3: Cross multiply
    27,301.12x = 37,675.68 × 15,364.64
  4. Step 4: Simplify right side
    27,301.12x = 578,873,259.96
  5. Step 5: Solve for x
    x = 578,873,259.96/27,301.12
  6. Step 6: Final answer
    x = 21,203.28

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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.