Home / 27,106.28-37,399.56-16,905.40

Finding the Fourth Proportional to 27,106.28, 37,399.56 and 16,905.40

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Solution

The fourth proportional to 27,106.28, 37,399.56 and 16,905.40 is: 23,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.28 : 37,399.56 = 16,905.40 : x
  2. Step 2: Convert to fraction form
    27,106.28/37,399.56 = 16,905.40/x
  3. Step 3: Cross multiply
    27,106.28x = 37,399.56 × 16,905.40
  4. Step 4: Simplify right side
    27,106.28x = 632,254,521.62
  5. Step 5: Solve for x
    x = 632,254,521.62/27,106.28
  6. Step 6: Final answer
    x = 23,325.02

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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.