Home / 23,286.26-32,135.87-13,215.13

Finding the Fourth Proportional to 23,286.26, 32,135.87 and 13,215.13

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Solution

The fourth proportional to 23,286.26, 32,135.87 and 13,215.13 is: 18,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,286.26 : 32,135.87 = 13,215.13 : x
  2. Step 2: Convert to fraction form
    23,286.26/32,135.87 = 13,215.13/x
  3. Step 3: Cross multiply
    23,286.26x = 32,135.87 × 13,215.13
  4. Step 4: Simplify right side
    23,286.26x = 424,679,699.71
  5. Step 5: Solve for x
    x = 424,679,699.71/23,286.26
  6. Step 6: Final answer
    x = 18,237.35

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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.