Home / 28,955.32-43,348.46-17,828.62

Finding the Fourth Proportional to 28,955.32, 43,348.46 and 17,828.62

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Solution

The fourth proportional to 28,955.32, 43,348.46 and 17,828.62 is: 26,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.32 : 43,348.46 = 17,828.62 : x
  2. Step 2: Convert to fraction form
    28,955.32/43,348.46 = 17,828.62/x
  3. Step 3: Cross multiply
    28,955.32x = 43,348.46 × 17,828.62
  4. Step 4: Simplify right side
    28,955.32x = 772,843,220.93
  5. Step 5: Solve for x
    x = 772,843,220.93/28,955.32
  6. Step 6: Final answer
    x = 26,690.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.