Home / 31,515.83-43,541.20-26,785.28

Finding the Fourth Proportional to 31,515.83, 43,541.20 and 26,785.28

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Solution

The fourth proportional to 31,515.83, 43,541.20 and 26,785.28 is: 37,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.83 : 43,541.20 = 26,785.28 : x
  2. Step 2: Convert to fraction form
    31,515.83/43,541.20 = 26,785.28/x
  3. Step 3: Cross multiply
    31,515.83x = 43,541.20 × 26,785.28
  4. Step 4: Simplify right side
    31,515.83x = 1,166,263,225.20
  5. Step 5: Solve for x
    x = 1,166,263,225.20/31,515.83
  6. Step 6: Final answer
    x = 37,005.63

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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.