Home / 31,826.28-43,946.10-28,463.16

Finding the Fourth Proportional to 31,826.28, 43,946.10 and 28,463.16

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Solution

The fourth proportional to 31,826.28, 43,946.10 and 28,463.16 is: 39,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.28 : 43,946.10 = 28,463.16 : x
  2. Step 2: Convert to fraction form
    31,826.28/43,946.10 = 28,463.16/x
  3. Step 3: Cross multiply
    31,826.28x = 43,946.10 × 28,463.16
  4. Step 4: Simplify right side
    31,826.28x = 1,250,844,875.68
  5. Step 5: Solve for x
    x = 1,250,844,875.68/31,826.28
  6. Step 6: Final answer
    x = 39,302.26

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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.