Home / 28,042.32-42,051.96-10,503.12

Finding the Fourth Proportional to 28,042.32, 42,051.96 and 10,503.12

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Solution

The fourth proportional to 28,042.32, 42,051.96 and 10,503.12 is: 15,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.32 : 42,051.96 = 10,503.12 : x
  2. Step 2: Convert to fraction form
    28,042.32/42,051.96 = 10,503.12/x
  3. Step 3: Cross multiply
    28,042.32x = 42,051.96 × 10,503.12
  4. Step 4: Simplify right side
    28,042.32x = 441,676,782.12
  5. Step 5: Solve for x
    x = 441,676,782.12/28,042.32
  6. Step 6: Final answer
    x = 15,750.37

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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.