Home / 43,728.19-65,624.15-17,440.45

Finding the Fourth Proportional to 43,728.19, 65,624.15 and 17,440.45

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Solution

The fourth proportional to 43,728.19, 65,624.15 and 17,440.45 is: 26,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.19 : 65,624.15 = 17,440.45 : x
  2. Step 2: Convert to fraction form
    43,728.19/65,624.15 = 17,440.45/x
  3. Step 3: Cross multiply
    43,728.19x = 65,624.15 × 17,440.45
  4. Step 4: Simplify right side
    43,728.19x = 1,144,514,706.87
  5. Step 5: Solve for x
    x = 1,144,514,706.87/43,728.19
  6. Step 6: Final answer
    x = 26,173.38

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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.