Home / 27,320.20-37,701.51-15,384.71

Finding the Fourth Proportional to 27,320.20, 37,701.51 and 15,384.71

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Solution

The fourth proportional to 27,320.20, 37,701.51 and 15,384.71 is: 21,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.20 : 37,701.51 = 15,384.71 : x
  2. Step 2: Convert to fraction form
    27,320.20/37,701.51 = 15,384.71/x
  3. Step 3: Cross multiply
    27,320.20x = 37,701.51 × 15,384.71
  4. Step 4: Simplify right side
    27,320.20x = 580,026,797.91
  5. Step 5: Solve for x
    x = 580,026,797.91/27,320.20
  6. Step 6: Final answer
    x = 21,230.70

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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.