Home / 52,328.75-78,445.64-19,025.28

Finding the Fourth Proportional to 52,328.75, 78,445.64 and 19,025.28

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Solution

The fourth proportional to 52,328.75, 78,445.64 and 19,025.28 is: 28,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328.75 : 78,445.64 = 19,025.28 : x
  2. Step 2: Convert to fraction form
    52,328.75/78,445.64 = 19,025.28/x
  3. Step 3: Cross multiply
    52,328.75x = 78,445.64 × 19,025.28
  4. Step 4: Simplify right side
    52,328.75x = 1,492,450,170.65
  5. Step 5: Solve for x
    x = 1,492,450,170.65/52,328.75
  6. Step 6: Final answer
    x = 28,520.66

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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.