Home / 28,225.46-42,329.54-19,516.34

Finding the Fourth Proportional to 28,225.46, 42,329.54 and 19,516.34

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Solution

The fourth proportional to 28,225.46, 42,329.54 and 19,516.34 is: 29,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.46 : 42,329.54 = 19,516.34 : x
  2. Step 2: Convert to fraction form
    28,225.46/42,329.54 = 19,516.34/x
  3. Step 3: Cross multiply
    28,225.46x = 42,329.54 × 19,516.34
  4. Step 4: Simplify right side
    28,225.46x = 826,117,385.45
  5. Step 5: Solve for x
    x = 826,117,385.45/28,225.46
  6. Step 6: Final answer
    x = 29,268.52

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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.