Home / 16,837.60-25,256.40-13,727.20

Finding the Fourth Proportional to 16,837.60, 25,256.40 and 13,727.20

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Solution

The fourth proportional to 16,837.60, 25,256.40 and 13,727.20 is: 20,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,837.60 : 25,256.40 = 13,727.20 : x
  2. Step 2: Convert to fraction form
    16,837.60/25,256.40 = 13,727.20/x
  3. Step 3: Cross multiply
    16,837.60x = 25,256.40 × 13,727.20
  4. Step 4: Simplify right side
    16,837.60x = 346,699,654.08
  5. Step 5: Solve for x
    x = 346,699,654.08/16,837.60
  6. Step 6: Final answer
    x = 20,590.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.