Home / 25,423.35-35,083.29-13,938.21

Finding the Fourth Proportional to 25,423.35, 35,083.29 and 13,938.21

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Solution

The fourth proportional to 25,423.35, 35,083.29 and 13,938.21 is: 19,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.35 : 35,083.29 = 13,938.21 : x
  2. Step 2: Convert to fraction form
    25,423.35/35,083.29 = 13,938.21/x
  3. Step 3: Cross multiply
    25,423.35x = 35,083.29 × 13,938.21
  4. Step 4: Simplify right side
    25,423.35x = 488,998,263.51
  5. Step 5: Solve for x
    x = 488,998,263.51/25,423.35
  6. Step 6: Final answer
    x = 19,234.22

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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.