Home / 27,420.19-37,840.11-16,089.86

Finding the Fourth Proportional to 27,420.19, 37,840.11 and 16,089.86

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Solution

The fourth proportional to 27,420.19, 37,840.11 and 16,089.86 is: 22,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.19 : 37,840.11 = 16,089.86 : x
  2. Step 2: Convert to fraction form
    27,420.19/37,840.11 = 16,089.86/x
  3. Step 3: Cross multiply
    27,420.19x = 37,840.11 × 16,089.86
  4. Step 4: Simplify right side
    27,420.19x = 608,842,072.28
  5. Step 5: Solve for x
    x = 608,842,072.28/27,420.19
  6. Step 6: Final answer
    x = 22,204.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.