Home / 28,539.29-42,798.29-9,814.02

Finding the Fourth Proportional to 28,539.29, 42,798.29 and 9,814.02

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Solution

The fourth proportional to 28,539.29, 42,798.29 and 9,814.02 is: 14,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539.29 : 42,798.29 = 9,814.02 : x
  2. Step 2: Convert to fraction form
    28,539.29/42,798.29 = 9,814.02/x
  3. Step 3: Cross multiply
    28,539.29x = 42,798.29 × 9,814.02
  4. Step 4: Simplify right side
    28,539.29x = 420,023,224.96
  5. Step 5: Solve for x
    x = 420,023,224.96/28,539.29
  6. Step 6: Final answer
    x = 14,717.37

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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.