Home / 28,295.49-42,447.63-8,569.35

Finding the Fourth Proportional to 28,295.49, 42,447.63 and 8,569.35

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Solution

The fourth proportional to 28,295.49, 42,447.63 and 8,569.35 is: 12,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.49 : 42,447.63 = 8,569.35 : x
  2. Step 2: Convert to fraction form
    28,295.49/42,447.63 = 8,569.35/x
  3. Step 3: Cross multiply
    28,295.49x = 42,447.63 × 8,569.35
  4. Step 4: Simplify right side
    28,295.49x = 363,748,598.14
  5. Step 5: Solve for x
    x = 363,748,598.14/28,295.49
  6. Step 6: Final answer
    x = 12,855.36

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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.