Home / 17,760.65-26,636.35-5,277.74

Finding the Fourth Proportional to 17,760.65, 26,636.35 and 5,277.74

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Solution

The fourth proportional to 17,760.65, 26,636.35 and 5,277.74 is: 7,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.65 : 26,636.35 = 5,277.74 : x
  2. Step 2: Convert to fraction form
    17,760.65/26,636.35 = 5,277.74/x
  3. Step 3: Cross multiply
    17,760.65x = 26,636.35 × 5,277.74
  4. Step 4: Simplify right side
    17,760.65x = 140,579,729.85
  5. Step 5: Solve for x
    x = 140,579,729.85/17,760.65
  6. Step 6: Final answer
    x = 7,915.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.