Home / 28,465.56-42,711.72-17,933.16

Finding the Fourth Proportional to 28,465.56, 42,711.72 and 17,933.16

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Solution

The fourth proportional to 28,465.56, 42,711.72 and 17,933.16 is: 26,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.56 : 42,711.72 = 17,933.16 : x
  2. Step 2: Convert to fraction form
    28,465.56/42,711.72 = 17,933.16/x
  3. Step 3: Cross multiply
    28,465.56x = 42,711.72 × 17,933.16
  4. Step 4: Simplify right side
    28,465.56x = 765,956,108.64
  5. Step 5: Solve for x
    x = 765,956,108.64/28,465.56
  6. Step 6: Final answer
    x = 26,908.17

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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.