Home / 27,218.04-37,558.32-15,279.05

Finding the Fourth Proportional to 27,218.04, 37,558.32 and 15,279.05

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Solution

The fourth proportional to 27,218.04, 37,558.32 and 15,279.05 is: 21,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.04 : 37,558.32 = 15,279.05 : x
  2. Step 2: Convert to fraction form
    27,218.04/37,558.32 = 15,279.05/x
  3. Step 3: Cross multiply
    27,218.04x = 37,558.32 × 15,279.05
  4. Step 4: Simplify right side
    27,218.04x = 573,855,261.40
  5. Step 5: Solve for x
    x = 573,855,261.40/27,218.04
  6. Step 6: Final answer
    x = 21,083.64

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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.