Home / 26,989.20-37,262.43-16,931.43

Finding the Fourth Proportional to 26,989.20, 37,262.43 and 16,931.43

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Solution

The fourth proportional to 26,989.20, 37,262.43 and 16,931.43 is: 23,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.20 : 37,262.43 = 16,931.43 : x
  2. Step 2: Convert to fraction form
    26,989.20/37,262.43 = 16,931.43/x
  3. Step 3: Cross multiply
    26,989.20x = 37,262.43 × 16,931.43
  4. Step 4: Simplify right side
    26,989.20x = 630,906,225.17
  5. Step 5: Solve for x
    x = 630,906,225.17/26,989.20
  6. Step 6: Final answer
    x = 23,376.25

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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.