Home / 28,929.71-43,356.65-16,455.47

Finding the Fourth Proportional to 28,929.71, 43,356.65 and 16,455.47

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Solution

The fourth proportional to 28,929.71, 43,356.65 and 16,455.47 is: 24,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.71 : 43,356.65 = 16,455.47 : x
  2. Step 2: Convert to fraction form
    28,929.71/43,356.65 = 16,455.47/x
  3. Step 3: Cross multiply
    28,929.71x = 43,356.65 × 16,455.47
  4. Step 4: Simplify right side
    28,929.71x = 713,453,971.10
  5. Step 5: Solve for x
    x = 713,453,971.10/28,929.71
  6. Step 6: Final answer
    x = 24,661.64

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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.