Home / 28,506.32-39,352.75-17,901.80

Finding the Fourth Proportional to 28,506.32, 39,352.75 and 17,901.80

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Solution

The fourth proportional to 28,506.32, 39,352.75 and 17,901.80 is: 24,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.32 : 39,352.75 = 17,901.80 : x
  2. Step 2: Convert to fraction form
    28,506.32/39,352.75 = 17,901.80/x
  3. Step 3: Cross multiply
    28,506.32x = 39,352.75 × 17,901.80
  4. Step 4: Simplify right side
    28,506.32x = 704,484,970.44
  5. Step 5: Solve for x
    x = 704,484,970.44/28,506.32
  6. Step 6: Final answer
    x = 24,713.29

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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.