Home / 28,001.34-42,002.82-10,467.81

Finding the Fourth Proportional to 28,001.34, 42,002.82 and 10,467.81

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Solution

The fourth proportional to 28,001.34, 42,002.82 and 10,467.81 is: 15,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.34 : 42,002.82 = 10,467.81 : x
  2. Step 2: Convert to fraction form
    28,001.34/42,002.82 = 10,467.81/x
  3. Step 3: Cross multiply
    28,001.34x = 42,002.82 × 10,467.81
  4. Step 4: Simplify right side
    28,001.34x = 439,677,539.22
  5. Step 5: Solve for x
    x = 439,677,539.22/28,001.34
  6. Step 6: Final answer
    x = 15,702.02

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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.