Home / 27,155.50-37,473.36-15,218.74

Finding the Fourth Proportional to 27,155.50, 37,473.36 and 15,218.74

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Solution

The fourth proportional to 27,155.50, 37,473.36 and 15,218.74 is: 21,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.50 : 37,473.36 = 15,218.74 : x
  2. Step 2: Convert to fraction form
    27,155.50/37,473.36 = 15,218.74/x
  3. Step 3: Cross multiply
    27,155.50x = 37,473.36 × 15,218.74
  4. Step 4: Simplify right side
    27,155.50x = 570,297,322.77
  5. Step 5: Solve for x
    x = 570,297,322.77/27,155.50
  6. Step 6: Final answer
    x = 21,001.17

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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.