Home / 17,739.20-26,666.40-16,356.80

Finding the Fourth Proportional to 17,739.20, 26,666.40 and 16,356.80

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Solution

The fourth proportional to 17,739.20, 26,666.40 and 16,356.80 is: 24,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.20 : 26,666.40 = 16,356.80 : x
  2. Step 2: Convert to fraction form
    17,739.20/26,666.40 = 16,356.80/x
  3. Step 3: Cross multiply
    17,739.20x = 26,666.40 × 16,356.80
  4. Step 4: Simplify right side
    17,739.20x = 436,176,971.52
  5. Step 5: Solve for x
    x = 436,176,971.52/17,739.20
  6. Step 6: Final answer
    x = 24,588.31

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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.