Home / 28,256.70-42,385.38-8,536.14

Finding the Fourth Proportional to 28,256.70, 42,385.38 and 8,536.14

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Solution

The fourth proportional to 28,256.70, 42,385.38 and 8,536.14 is: 12,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.70 : 42,385.38 = 8,536.14 : x
  2. Step 2: Convert to fraction form
    28,256.70/42,385.38 = 8,536.14/x
  3. Step 3: Cross multiply
    28,256.70x = 42,385.38 × 8,536.14
  4. Step 4: Simplify right side
    28,256.70x = 361,807,537.63
  5. Step 5: Solve for x
    x = 361,807,537.63/28,256.70
  6. Step 6: Final answer
    x = 12,804.31

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1.5x scale

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.