Home / 27,031.79-40,518.98-15,943.70

Finding the Fourth Proportional to 27,031.79, 40,518.98 and 15,943.70

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Solution

The fourth proportional to 27,031.79, 40,518.98 and 15,943.70 is: 23,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.79 : 40,518.98 = 15,943.70 : x
  2. Step 2: Convert to fraction form
    27,031.79/40,518.98 = 15,943.70/x
  3. Step 3: Cross multiply
    27,031.79x = 40,518.98 × 15,943.70
  4. Step 4: Simplify right side
    27,031.79x = 646,022,632.48
  5. Step 5: Solve for x
    x = 646,022,632.48/27,031.79
  6. Step 6: Final answer
    x = 23,898.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.