Home / 31,312.94-43,186.76-27,528.07

Finding the Fourth Proportional to 31,312.94, 43,186.76 and 27,528.07

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Solution

The fourth proportional to 31,312.94, 43,186.76 and 27,528.07 is: 37,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.94 : 43,186.76 = 27,528.07 : x
  2. Step 2: Convert to fraction form
    31,312.94/43,186.76 = 27,528.07/x
  3. Step 3: Cross multiply
    31,312.94x = 43,186.76 × 27,528.07
  4. Step 4: Simplify right side
    31,312.94x = 1,188,847,870.05
  5. Step 5: Solve for x
    x = 1,188,847,870.05/31,312.94
  6. Step 6: Final answer
    x = 37,966.66

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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.