Home / 27,985.59-38,617.20-16,048.71

Finding the Fourth Proportional to 27,985.59, 38,617.20 and 16,048.71

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Solution

The fourth proportional to 27,985.59, 38,617.20 and 16,048.71 is: 22,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.59 : 38,617.20 = 16,048.71 : x
  2. Step 2: Convert to fraction form
    27,985.59/38,617.20 = 16,048.71/x
  3. Step 3: Cross multiply
    27,985.59x = 38,617.20 × 16,048.71
  4. Step 4: Simplify right side
    27,985.59x = 619,756,243.81
  5. Step 5: Solve for x
    x = 619,756,243.81/27,985.59
  6. Step 6: Final answer
    x = 22,145.55

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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.