Home / 31,464.12-43,389.36-28,733.16

Finding the Fourth Proportional to 31,464.12, 43,389.36 and 28,733.16

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Solution

The fourth proportional to 31,464.12, 43,389.36 and 28,733.16 is: 39,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.12 : 43,389.36 = 28,733.16 : x
  2. Step 2: Convert to fraction form
    31,464.12/43,389.36 = 28,733.16/x
  3. Step 3: Cross multiply
    31,464.12x = 43,389.36 × 28,733.16
  4. Step 4: Simplify right side
    31,464.12x = 1,246,713,423.18
  5. Step 5: Solve for x
    x = 1,246,713,423.18/31,464.12
  6. Step 6: Final answer
    x = 39,623.34

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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.