Home / 28,205.18-42,263.26-10,411.35

Finding the Fourth Proportional to 28,205.18, 42,263.26 and 10,411.35

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Solution

The fourth proportional to 28,205.18, 42,263.26 and 10,411.35 is: 15,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.18 : 42,263.26 = 10,411.35 : x
  2. Step 2: Convert to fraction form
    28,205.18/42,263.26 = 10,411.35/x
  3. Step 3: Cross multiply
    28,205.18x = 42,263.26 × 10,411.35
  4. Step 4: Simplify right side
    28,205.18x = 440,017,380.68
  5. Step 5: Solve for x
    x = 440,017,380.68/28,205.18
  6. Step 6: Final answer
    x = 15,600.59

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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.