Home / 27,274.86-37,639.06-15,338.28

Finding the Fourth Proportional to 27,274.86, 37,639.06 and 15,338.28

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Solution

The fourth proportional to 27,274.86, 37,639.06 and 15,338.28 is: 21,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.86 : 37,639.06 = 15,338.28 : x
  2. Step 2: Convert to fraction form
    27,274.86/37,639.06 = 15,338.28/x
  3. Step 3: Cross multiply
    27,274.86x = 37,639.06 × 15,338.28
  4. Step 4: Simplify right side
    27,274.86x = 577,318,441.22
  5. Step 5: Solve for x
    x = 577,318,441.22/27,274.86
  6. Step 6: Final answer
    x = 21,166.69

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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.