Home / 28,828.16-39,783.36-17,497.92

Finding the Fourth Proportional to 28,828.16, 39,783.36 and 17,497.92

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Solution

The fourth proportional to 28,828.16, 39,783.36 and 17,497.92 is: 24,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.16 : 39,783.36 = 17,497.92 : x
  2. Step 2: Convert to fraction form
    28,828.16/39,783.36 = 17,497.92/x
  3. Step 3: Cross multiply
    28,828.16x = 39,783.36 × 17,497.92
  4. Step 4: Simplify right side
    28,828.16x = 696,126,050.61
  5. Step 5: Solve for x
    x = 696,126,050.61/28,828.16
  6. Step 6: Final answer
    x = 24,147.43

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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.