Home / 28,908.52-43,328.26-14,875.28

Finding the Fourth Proportional to 28,908.52, 43,328.26 and 14,875.28

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Solution

The fourth proportional to 28,908.52, 43,328.26 and 14,875.28 is: 22,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.52 : 43,328.26 = 14,875.28 : x
  2. Step 2: Convert to fraction form
    28,908.52/43,328.26 = 14,875.28/x
  3. Step 3: Cross multiply
    28,908.52x = 43,328.26 × 14,875.28
  4. Step 4: Simplify right side
    28,908.52x = 644,519,999.41
  5. Step 5: Solve for x
    x = 644,519,999.41/28,908.52
  6. Step 6: Final answer
    x = 22,295.16

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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.