Home / 28,454.60-42,688.64-9,734.84

Finding the Fourth Proportional to 28,454.60, 42,688.64 and 9,734.84

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Solution

The fourth proportional to 28,454.60, 42,688.64 and 9,734.84 is: 14,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.60 : 42,688.64 = 9,734.84 : x
  2. Step 2: Convert to fraction form
    28,454.60/42,688.64 = 9,734.84/x
  3. Step 3: Cross multiply
    28,454.60x = 42,688.64 × 9,734.84
  4. Step 4: Simplify right side
    28,454.60x = 415,567,080.22
  5. Step 5: Solve for x
    x = 415,567,080.22/28,454.60
  6. Step 6: Final answer
    x = 14,604.57

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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.