Home / 17,890.40-26,863.68-15,152.96

Finding the Fourth Proportional to 17,890.40, 26,863.68 and 15,152.96

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Solution

The fourth proportional to 17,890.40, 26,863.68 and 15,152.96 is: 22,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.40 : 26,863.68 = 15,152.96 : x
  2. Step 2: Convert to fraction form
    17,890.40/26,863.68 = 15,152.96/x
  3. Step 3: Cross multiply
    17,890.40x = 26,863.68 × 15,152.96
  4. Step 4: Simplify right side
    17,890.40x = 407,064,268.49
  5. Step 5: Solve for x
    x = 407,064,268.49/17,890.40
  6. Step 6: Final answer
    x = 22,753.22

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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.