Home / 28,223.68-42,336.12-9,504.28

Finding the Fourth Proportional to 28,223.68, 42,336.12 and 9,504.28

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Solution

The fourth proportional to 28,223.68, 42,336.12 and 9,504.28 is: 14,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.68 : 42,336.12 = 9,504.28 : x
  2. Step 2: Convert to fraction form
    28,223.68/42,336.12 = 9,504.28/x
  3. Step 3: Cross multiply
    28,223.68x = 42,336.12 × 9,504.28
  4. Step 4: Simplify right side
    28,223.68x = 402,374,338.59
  5. Step 5: Solve for x
    x = 402,374,338.59/28,223.68
  6. Step 6: Final answer
    x = 14,256.62

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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.