Home / 19,263.08-28,895.70-5,411

Finding the Fourth Proportional to 19,263.08, 28,895.70 and 5,411

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Solution

The fourth proportional to 19,263.08, 28,895.70 and 5,411 is: 8,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.08 : 28,895.70 = 5,411 : x
  2. Step 2: Convert to fraction form
    19,263.08/28,895.70 = 5,411/x
  3. Step 3: Cross multiply
    19,263.08x = 28,895.70 × 5,411
  4. Step 4: Simplify right side
    19,263.08x = 156,354,632.70
  5. Step 5: Solve for x
    x = 156,354,632.70/19,263.08
  6. Step 6: Final answer
    x = 8,116.80

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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.