Home / 28,401.55-39,197.06-17,074.74

Finding the Fourth Proportional to 28,401.55, 39,197.06 and 17,074.74

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Solution

The fourth proportional to 28,401.55, 39,197.06 and 17,074.74 is: 23,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.55 : 39,197.06 = 17,074.74 : x
  2. Step 2: Convert to fraction form
    28,401.55/39,197.06 = 17,074.74/x
  3. Step 3: Cross multiply
    28,401.55x = 39,197.06 × 17,074.74
  4. Step 4: Simplify right side
    28,401.55x = 669,279,326.91
  5. Step 5: Solve for x
    x = 669,279,326.91/28,401.55
  6. Step 6: Final answer
    x = 23,564.89

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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.