Home / 27,317.16-37,697.31-15,380.64

Finding the Fourth Proportional to 27,317.16, 37,697.31 and 15,380.64

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Solution

The fourth proportional to 27,317.16, 37,697.31 and 15,380.64 is: 21,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.16 : 37,697.31 = 15,380.64 : x
  2. Step 2: Convert to fraction form
    27,317.16/37,697.31 = 15,380.64/x
  3. Step 3: Cross multiply
    27,317.16x = 37,697.31 × 15,380.64
  4. Step 4: Simplify right side
    27,317.16x = 579,808,754.08
  5. Step 5: Solve for x
    x = 579,808,754.08/27,317.16
  6. Step 6: Final answer
    x = 21,225.07

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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.