Home / 27,266.45-37,646.34-20,881.76

Finding the Fourth Proportional to 27,266.45, 37,646.34 and 20,881.76

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Solution

The fourth proportional to 27,266.45, 37,646.34 and 20,881.76 is: 28,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,266.45 : 37,646.34 = 20,881.76 : x
  2. Step 2: Convert to fraction form
    27,266.45/37,646.34 = 20,881.76/x
  3. Step 3: Cross multiply
    27,266.45x = 37,646.34 × 20,881.76
  4. Step 4: Simplify right side
    27,266.45x = 786,121,836.76
  5. Step 5: Solve for x
    x = 786,121,836.76/27,266.45
  6. Step 6: Final answer
    x = 28,831.10

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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.