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Finding the Fourth Proportional to 25,000.99, 34,504.41 and 14,390.40

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Solution

The fourth proportional to 25,000.99, 34,504.41 and 14,390.40 is: 19,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.99 : 34,504.41 = 14,390.40 : x
  2. Step 2: Convert to fraction form
    25,000.99/34,504.41 = 14,390.40/x
  3. Step 3: Cross multiply
    25,000.99x = 34,504.41 × 14,390.40
  4. Step 4: Simplify right side
    25,000.99x = 496,532,261.66
  5. Step 5: Solve for x
    x = 496,532,261.66/25,000.99
  6. Step 6: Final answer
    x = 19,860.50

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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.