Home / 25,728.55-38,566.67-17,409.40

Finding the Fourth Proportional to 25,728.55, 38,566.67 and 17,409.40

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Solution

The fourth proportional to 25,728.55, 38,566.67 and 17,409.40 is: 26,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.55 : 38,566.67 = 17,409.40 : x
  2. Step 2: Convert to fraction form
    25,728.55/38,566.67 = 17,409.40/x
  3. Step 3: Cross multiply
    25,728.55x = 38,566.67 × 17,409.40
  4. Step 4: Simplify right side
    25,728.55x = 671,422,401.23
  5. Step 5: Solve for x
    x = 671,422,401.23/25,728.55
  6. Step 6: Final answer
    x = 26,096.40

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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.