Home / 28,898.76-39,883.52-16,324.32

Finding the Fourth Proportional to 28,898.76, 39,883.52 and 16,324.32

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Solution

The fourth proportional to 28,898.76, 39,883.52 and 16,324.32 is: 22,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.76 : 39,883.52 = 16,324.32 : x
  2. Step 2: Convert to fraction form
    28,898.76/39,883.52 = 16,324.32/x
  3. Step 3: Cross multiply
    28,898.76x = 39,883.52 × 16,324.32
  4. Step 4: Simplify right side
    28,898.76x = 651,071,343.21
  5. Step 5: Solve for x
    x = 651,071,343.21/28,898.76
  6. Step 6: Final answer
    x = 22,529.39

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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.