Home / 26,556.60-36,648.12-14,620.40

Finding the Fourth Proportional to 26,556.60, 36,648.12 and 14,620.40

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Solution

The fourth proportional to 26,556.60, 36,648.12 and 14,620.40 is: 20,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.60 : 36,648.12 = 14,620.40 : x
  2. Step 2: Convert to fraction form
    26,556.60/36,648.12 = 14,620.40/x
  3. Step 3: Cross multiply
    26,556.60x = 36,648.12 × 14,620.40
  4. Step 4: Simplify right side
    26,556.60x = 535,810,173.65
  5. Step 5: Solve for x
    x = 535,810,173.65/26,556.60
  6. Step 6: Final answer
    x = 20,176.16

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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.