Home / 28,664.90-42,989.04-9,944.18

Finding the Fourth Proportional to 28,664.90, 42,989.04 and 9,944.18

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Solution

The fourth proportional to 28,664.90, 42,989.04 and 9,944.18 is: 14,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.90 : 42,989.04 = 9,944.18 : x
  2. Step 2: Convert to fraction form
    28,664.90/42,989.04 = 9,944.18/x
  3. Step 3: Cross multiply
    28,664.90x = 42,989.04 × 9,944.18
  4. Step 4: Simplify right side
    28,664.90x = 427,490,536.84
  5. Step 5: Solve for x
    x = 427,490,536.84/28,664.90
  6. Step 6: Final answer
    x = 14,913.38

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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.