Home / 31,615.84-43,597.20-27,154.40

Finding the Fourth Proportional to 31,615.84, 43,597.20 and 27,154.40

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Solution

The fourth proportional to 31,615.84, 43,597.20 and 27,154.40 is: 37,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.84 : 43,597.20 = 27,154.40 : x
  2. Step 2: Convert to fraction form
    31,615.84/43,597.20 = 27,154.40/x
  3. Step 3: Cross multiply
    31,615.84x = 43,597.20 × 27,154.40
  4. Step 4: Simplify right side
    31,615.84x = 1,183,855,807.68
  5. Step 5: Solve for x
    x = 1,183,855,807.68/31,615.84
  6. Step 6: Final answer
    x = 37,445.02

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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.