Home / 28,575.18-42,837.93-11,057.31

Finding the Fourth Proportional to 28,575.18, 42,837.93 and 11,057.31

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Solution

The fourth proportional to 28,575.18, 42,837.93 and 11,057.31 is: 16,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.18 : 42,837.93 = 11,057.31 : x
  2. Step 2: Convert to fraction form
    28,575.18/42,837.93 = 11,057.31/x
  3. Step 3: Cross multiply
    28,575.18x = 42,837.93 × 11,057.31
  4. Step 4: Simplify right side
    28,575.18x = 473,672,271.77
  5. Step 5: Solve for x
    x = 473,672,271.77/28,575.18
  6. Step 6: Final answer
    x = 16,576.35

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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.