Home / 17,505.19-26,231.85-14,407.21

Finding the Fourth Proportional to 17,505.19, 26,231.85 and 14,407.21

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Solution

The fourth proportional to 17,505.19, 26,231.85 and 14,407.21 is: 21,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,505.19 : 26,231.85 = 14,407.21 : x
  2. Step 2: Convert to fraction form
    17,505.19/26,231.85 = 14,407.21/x
  3. Step 3: Cross multiply
    17,505.19x = 26,231.85 × 14,407.21
  4. Step 4: Simplify right side
    17,505.19x = 377,927,771.64
  5. Step 5: Solve for x
    x = 377,927,771.64/17,505.19
  6. Step 6: Final answer
    x = 21,589.47

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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.