Home / 25,349.90-34,985.79-15,283.49

Finding the Fourth Proportional to 25,349.90, 34,985.79 and 15,283.49

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Solution

The fourth proportional to 25,349.90, 34,985.79 and 15,283.49 is: 21,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.90 : 34,985.79 = 15,283.49 : x
  2. Step 2: Convert to fraction form
    25,349.90/34,985.79 = 15,283.49/x
  3. Step 3: Cross multiply
    25,349.90x = 34,985.79 × 15,283.49
  4. Step 4: Simplify right side
    25,349.90x = 534,704,796.68
  5. Step 5: Solve for x
    x = 534,704,796.68/25,349.90
  6. Step 6: Final answer
    x = 21,092.98

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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.