Home / 27,981.74-38,613.66-16,036.76

Finding the Fourth Proportional to 27,981.74, 38,613.66 and 16,036.76

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Solution

The fourth proportional to 27,981.74, 38,613.66 and 16,036.76 is: 22,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.74 : 38,613.66 = 16,036.76 : x
  2. Step 2: Convert to fraction form
    27,981.74/38,613.66 = 16,036.76/x
  3. Step 3: Cross multiply
    27,981.74x = 38,613.66 × 16,036.76
  4. Step 4: Simplify right side
    27,981.74x = 619,237,998.14
  5. Step 5: Solve for x
    x = 619,237,998.14/27,981.74
  6. Step 6: Final answer
    x = 22,130.07

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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.