Home / 28,981.08-43,416.44-16,509.70

Finding the Fourth Proportional to 28,981.08, 43,416.44 and 16,509.70

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Solution

The fourth proportional to 28,981.08, 43,416.44 and 16,509.70 is: 24,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.08 : 43,416.44 = 16,509.70 : x
  2. Step 2: Convert to fraction form
    28,981.08/43,416.44 = 16,509.70/x
  3. Step 3: Cross multiply
    28,981.08x = 43,416.44 × 16,509.70
  4. Step 4: Simplify right side
    28,981.08x = 716,792,399.47
  5. Step 5: Solve for x
    x = 716,792,399.47/28,981.08
  6. Step 6: Final answer
    x = 24,733.12

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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.