Home / 28,880.11-39,852.27-16,132.30

Finding the Fourth Proportional to 28,880.11, 39,852.27 and 16,132.30

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Solution

The fourth proportional to 28,880.11, 39,852.27 and 16,132.30 is: 22,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.11 : 39,852.27 = 16,132.30 : x
  2. Step 2: Convert to fraction form
    28,880.11/39,852.27 = 16,132.30/x
  3. Step 3: Cross multiply
    28,880.11x = 39,852.27 × 16,132.30
  4. Step 4: Simplify right side
    28,880.11x = 642,908,675.69
  5. Step 5: Solve for x
    x = 642,908,675.69/28,880.11
  6. Step 6: Final answer
    x = 22,261.29

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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.