Home / 27,983.46-38,615.90-16,038.39

Finding the Fourth Proportional to 27,983.46, 38,615.90 and 16,038.39

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Solution

The fourth proportional to 27,983.46, 38,615.90 and 16,038.39 is: 22,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.46 : 38,615.90 = 16,038.39 : x
  2. Step 2: Convert to fraction form
    27,983.46/38,615.90 = 16,038.39/x
  3. Step 3: Cross multiply
    27,983.46x = 38,615.90 × 16,038.39
  4. Step 4: Simplify right side
    27,983.46x = 619,336,864.40
  5. Step 5: Solve for x
    x = 619,336,864.40/27,983.46
  6. Step 6: Final answer
    x = 22,132.25

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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.