Home / 27,079.77-37,370.36-15,143.76

Finding the Fourth Proportional to 27,079.77, 37,370.36 and 15,143.76

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Solution

The fourth proportional to 27,079.77, 37,370.36 and 15,143.76 is: 20,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.77 : 37,370.36 = 15,143.76 : x
  2. Step 2: Convert to fraction form
    27,079.77/37,370.36 = 15,143.76/x
  3. Step 3: Cross multiply
    27,079.77x = 37,370.36 × 15,143.76
  4. Step 4: Simplify right side
    27,079.77x = 565,927,800.81
  5. Step 5: Solve for x
    x = 565,927,800.81/27,079.77
  6. Step 6: Final answer
    x = 20,898.55

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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.