Home / 27,281.22-37,651.41-15,345.06

Finding the Fourth Proportional to 27,281.22, 37,651.41 and 15,345.06

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Solution

The fourth proportional to 27,281.22, 37,651.41 and 15,345.06 is: 21,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.22 : 37,651.41 = 15,345.06 : x
  2. Step 2: Convert to fraction form
    27,281.22/37,651.41 = 15,345.06/x
  3. Step 3: Cross multiply
    27,281.22x = 37,651.41 × 15,345.06
  4. Step 4: Simplify right side
    27,281.22x = 577,763,145.53
  5. Step 5: Solve for x
    x = 577,763,145.53/27,281.22
  6. Step 6: Final answer
    x = 21,178.05

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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.