Home / 28,999.26-43,423.24-15,824.40

Finding the Fourth Proportional to 28,999.26, 43,423.24 and 15,824.40

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Solution

The fourth proportional to 28,999.26, 43,423.24 and 15,824.40 is: 23,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.26 : 43,423.24 = 15,824.40 : x
  2. Step 2: Convert to fraction form
    28,999.26/43,423.24 = 15,824.40/x
  3. Step 3: Cross multiply
    28,999.26x = 43,423.24 × 15,824.40
  4. Step 4: Simplify right side
    28,999.26x = 687,146,719.06
  5. Step 5: Solve for x
    x = 687,146,719.06/28,999.26
  6. Step 6: Final answer
    x = 23,695.32

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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.