Home / 25,819.09-38,720.88-9,176.94

Finding the Fourth Proportional to 25,819.09, 38,720.88 and 9,176.94

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Solution

The fourth proportional to 25,819.09, 38,720.88 and 9,176.94 is: 13,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.09 : 38,720.88 = 9,176.94 : x
  2. Step 2: Convert to fraction form
    25,819.09/38,720.88 = 9,176.94/x
  3. Step 3: Cross multiply
    25,819.09x = 38,720.88 × 9,176.94
  4. Step 4: Simplify right side
    25,819.09x = 355,339,192.51
  5. Step 5: Solve for x
    x = 355,339,192.51/25,819.09
  6. Step 6: Final answer
    x = 13,762.65

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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.