Home / 28,291.81-42,442.32-9,573.01

Finding the Fourth Proportional to 28,291.81, 42,442.32 and 9,573.01

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Solution

The fourth proportional to 28,291.81, 42,442.32 and 9,573.01 is: 14,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.81 : 42,442.32 = 9,573.01 : x
  2. Step 2: Convert to fraction form
    28,291.81/42,442.32 = 9,573.01/x
  3. Step 3: Cross multiply
    28,291.81x = 42,442.32 × 9,573.01
  4. Step 4: Simplify right side
    28,291.81x = 406,300,753.78
  5. Step 5: Solve for x
    x = 406,300,753.78/28,291.81
  6. Step 6: Final answer
    x = 14,361.07

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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.