Home / 27,340.20-37,730.25-15,402.87

Finding the Fourth Proportional to 27,340.20, 37,730.25 and 15,402.87

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Solution

The fourth proportional to 27,340.20, 37,730.25 and 15,402.87 is: 21,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,340.20 : 37,730.25 = 15,402.87 : x
  2. Step 2: Convert to fraction form
    27,340.20/37,730.25 = 15,402.87/x
  3. Step 3: Cross multiply
    27,340.20x = 37,730.25 × 15,402.87
  4. Step 4: Simplify right side
    27,340.20x = 581,154,135.82
  5. Step 5: Solve for x
    x = 581,154,135.82/27,340.20
  6. Step 6: Final answer
    x = 21,256.40

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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.