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Finding the Fourth Proportional to 25,465.94, 35,145.22 and 14,858.99

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Solution

The fourth proportional to 25,465.94, 35,145.22 and 14,858.99 is: 20,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.94 : 35,145.22 = 14,858.99 : x
  2. Step 2: Convert to fraction form
    25,465.94/35,145.22 = 14,858.99/x
  3. Step 3: Cross multiply
    25,465.94x = 35,145.22 × 14,858.99
  4. Step 4: Simplify right side
    25,465.94x = 522,222,259.65
  5. Step 5: Solve for x
    x = 522,222,259.65/25,465.94
  6. Step 6: Final answer
    x = 20,506.70

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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.