Home / 27,880.72-38,462.56-17,804.12

Finding the Fourth Proportional to 27,880.72, 38,462.56 and 17,804.12

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Solution

The fourth proportional to 27,880.72, 38,462.56 and 17,804.12 is: 24,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.72 : 38,462.56 = 17,804.12 : x
  2. Step 2: Convert to fraction form
    27,880.72/38,462.56 = 17,804.12/x
  3. Step 3: Cross multiply
    27,880.72x = 38,462.56 × 17,804.12
  4. Step 4: Simplify right side
    27,880.72x = 684,791,796.92
  5. Step 5: Solve for x
    x = 684,791,796.92/27,880.72
  6. Step 6: Final answer
    x = 24,561.48

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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.