Home / 31,316.06-43,192.31-26,957.78

Finding the Fourth Proportional to 31,316.06, 43,192.31 and 26,957.78

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Solution

The fourth proportional to 31,316.06, 43,192.31 and 26,957.78 is: 37,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.06 : 43,192.31 = 26,957.78 : x
  2. Step 2: Convert to fraction form
    31,316.06/43,192.31 = 26,957.78/x
  3. Step 3: Cross multiply
    31,316.06x = 43,192.31 × 26,957.78
  4. Step 4: Simplify right side
    31,316.06x = 1,164,368,642.10
  5. Step 5: Solve for x
    x = 1,164,368,642.10/31,316.06
  6. Step 6: Final answer
    x = 37,181.20

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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.