Home / 28,313.36-42,470.16-8,592.16

Finding the Fourth Proportional to 28,313.36, 42,470.16 and 8,592.16

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Solution

The fourth proportional to 28,313.36, 42,470.16 and 8,592.16 is: 12,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.36 : 42,470.16 = 8,592.16 : x
  2. Step 2: Convert to fraction form
    28,313.36/42,470.16 = 8,592.16/x
  3. Step 3: Cross multiply
    28,313.36x = 42,470.16 × 8,592.16
  4. Step 4: Simplify right side
    28,313.36x = 364,910,409.95
  5. Step 5: Solve for x
    x = 364,910,409.95/28,313.36
  6. Step 6: Final answer
    x = 12,888.28

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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.