Home / 28,560.40-42,852.84-11,042.50

Finding the Fourth Proportional to 28,560.40, 42,852.84 and 11,042.50

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Solution

The fourth proportional to 28,560.40, 42,852.84 and 11,042.50 is: 16,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.40 : 42,852.84 = 11,042.50 : x
  2. Step 2: Convert to fraction form
    28,560.40/42,852.84 = 11,042.50/x
  3. Step 3: Cross multiply
    28,560.40x = 42,852.84 × 11,042.50
  4. Step 4: Simplify right side
    28,560.40x = 473,202,485.70
  5. Step 5: Solve for x
    x = 473,202,485.70/28,560.40
  6. Step 6: Final answer
    x = 16,568.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.