Home / 17,455.20-26,182.80-13,562.40

Finding the Fourth Proportional to 17,455.20, 26,182.80 and 13,562.40

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Solution

The fourth proportional to 17,455.20, 26,182.80 and 13,562.40 is: 20,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.20 : 26,182.80 = 13,562.40 : x
  2. Step 2: Convert to fraction form
    17,455.20/26,182.80 = 13,562.40/x
  3. Step 3: Cross multiply
    17,455.20x = 26,182.80 × 13,562.40
  4. Step 4: Simplify right side
    17,455.20x = 355,101,606.72
  5. Step 5: Solve for x
    x = 355,101,606.72/17,455.20
  6. Step 6: Final answer
    x = 20,343.60

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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.