Home / 27,288.96-37,655.70-15,352.04

Finding the Fourth Proportional to 27,288.96, 37,655.70 and 15,352.04

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Solution

The fourth proportional to 27,288.96, 37,655.70 and 15,352.04 is: 21,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.96 : 37,655.70 = 15,352.04 : x
  2. Step 2: Convert to fraction form
    27,288.96/37,655.70 = 15,352.04/x
  3. Step 3: Cross multiply
    27,288.96x = 37,655.70 × 15,352.04
  4. Step 4: Simplify right side
    27,288.96x = 578,091,812.63
  5. Step 5: Solve for x
    x = 578,091,812.63/27,288.96
  6. Step 6: Final answer
    x = 21,184.09

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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.