Home / 25,143.60-34,703.88-16,646.04

Finding the Fourth Proportional to 25,143.60, 34,703.88 and 16,646.04

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Solution

The fourth proportional to 25,143.60, 34,703.88 and 16,646.04 is: 22,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.60 : 34,703.88 = 16,646.04 : x
  2. Step 2: Convert to fraction form
    25,143.60/34,703.88 = 16,646.04/x
  3. Step 3: Cross multiply
    25,143.60x = 34,703.88 × 16,646.04
  4. Step 4: Simplify right side
    25,143.60x = 577,682,174.64
  5. Step 5: Solve for x
    x = 577,682,174.64/25,143.60
  6. Step 6: Final answer
    x = 22,975.32

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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.