Home / 25,317.84-34,938.72-14,139.84

Finding the Fourth Proportional to 25,317.84, 34,938.72 and 14,139.84

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Solution

The fourth proportional to 25,317.84, 34,938.72 and 14,139.84 is: 19,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.84 : 34,938.72 = 14,139.84 : x
  2. Step 2: Convert to fraction form
    25,317.84/34,938.72 = 14,139.84/x
  3. Step 3: Cross multiply
    25,317.84x = 34,938.72 × 14,139.84
  4. Step 4: Simplify right side
    25,317.84x = 494,027,910.60
  5. Step 5: Solve for x
    x = 494,027,910.60/25,317.84
  6. Step 6: Final answer
    x = 19,513.04

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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.