Home / 28,022.32-38,688.80-17,426.36

Finding the Fourth Proportional to 28,022.32, 38,688.80 and 17,426.36

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Solution

The fourth proportional to 28,022.32, 38,688.80 and 17,426.36 is: 24,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022.32 : 38,688.80 = 17,426.36 : x
  2. Step 2: Convert to fraction form
    28,022.32/38,688.80 = 17,426.36/x
  3. Step 3: Cross multiply
    28,022.32x = 38,688.80 × 17,426.36
  4. Step 4: Simplify right side
    28,022.32x = 674,204,956.77
  5. Step 5: Solve for x
    x = 674,204,956.77/28,022.32
  6. Step 6: Final answer
    x = 24,059.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.