Home / 28,360.92-42,532.26-9,381.34

Finding the Fourth Proportional to 28,360.92, 42,532.26 and 9,381.34

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Solution

The fourth proportional to 28,360.92, 42,532.26 and 9,381.34 is: 14,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.92 : 42,532.26 = 9,381.34 : x
  2. Step 2: Convert to fraction form
    28,360.92/42,532.26 = 9,381.34/x
  3. Step 3: Cross multiply
    28,360.92x = 42,532.26 × 9,381.34
  4. Step 4: Simplify right side
    28,360.92x = 399,009,370.77
  5. Step 5: Solve for x
    x = 399,009,370.77/28,360.92
  6. Step 6: Final answer
    x = 14,068.99

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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.