Home / 17,628.12-26,318.30-13,445.82

Finding the Fourth Proportional to 17,628.12, 26,318.30 and 13,445.82

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Solution

The fourth proportional to 17,628.12, 26,318.30 and 13,445.82 is: 20,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.12 : 26,318.30 = 13,445.82 : x
  2. Step 2: Convert to fraction form
    17,628.12/26,318.30 = 13,445.82/x
  3. Step 3: Cross multiply
    17,628.12x = 26,318.30 × 13,445.82
  4. Step 4: Simplify right side
    17,628.12x = 353,871,057.28
  5. Step 5: Solve for x
    x = 353,871,057.28/17,628.12
  6. Step 6: Final answer
    x = 20,074.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.