Home / 28,574.32-39,426.19-17,245.66

Finding the Fourth Proportional to 28,574.32, 39,426.19 and 17,245.66

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Solution

The fourth proportional to 28,574.32, 39,426.19 and 17,245.66 is: 23,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.32 : 39,426.19 = 17,245.66 : x
  2. Step 2: Convert to fraction form
    28,574.32/39,426.19 = 17,245.66/x
  3. Step 3: Cross multiply
    28,574.32x = 39,426.19 × 17,245.66
  4. Step 4: Simplify right side
    28,574.32x = 679,930,667.84
  5. Step 5: Solve for x
    x = 679,930,667.84/28,574.32
  6. Step 6: Final answer
    x = 23,795.17

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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.