Home / 23,988.85-33,102.32-13,379.18

Finding the Fourth Proportional to 23,988.85, 33,102.32 and 13,379.18

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Solution

The fourth proportional to 23,988.85, 33,102.32 and 13,379.18 is: 18,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.85 : 33,102.32 = 13,379.18 : x
  2. Step 2: Convert to fraction form
    23,988.85/33,102.32 = 13,379.18/x
  3. Step 3: Cross multiply
    23,988.85x = 33,102.32 × 13,379.18
  4. Step 4: Simplify right side
    23,988.85x = 442,881,665.29
  5. Step 5: Solve for x
    x = 442,881,665.29/23,988.85
  6. Step 6: Final answer
    x = 18,461.98

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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.