Home / 28,346.32-42,525.60-8,626.42

Finding the Fourth Proportional to 28,346.32, 42,525.60 and 8,626.42

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Solution

The fourth proportional to 28,346.32, 42,525.60 and 8,626.42 is: 12,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.32 : 42,525.60 = 8,626.42 : x
  2. Step 2: Convert to fraction form
    28,346.32/42,525.60 = 8,626.42/x
  3. Step 3: Cross multiply
    28,346.32x = 42,525.60 × 8,626.42
  4. Step 4: Simplify right side
    28,346.32x = 366,843,686.35
  5. Step 5: Solve for x
    x = 366,843,686.35/28,346.32
  6. Step 6: Final answer
    x = 12,941.49

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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.