Home / 28,552.80-42,807.24-14,501.28

Finding the Fourth Proportional to 28,552.80, 42,807.24 and 14,501.28

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Solution

The fourth proportional to 28,552.80, 42,807.24 and 14,501.28 is: 21,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.80 : 42,807.24 = 14,501.28 : x
  2. Step 2: Convert to fraction form
    28,552.80/42,807.24 = 14,501.28/x
  3. Step 3: Cross multiply
    28,552.80x = 42,807.24 × 14,501.28
  4. Step 4: Simplify right side
    28,552.80x = 620,759,773.27
  5. Step 5: Solve for x
    x = 620,759,773.27/28,552.80
  6. Step 6: Final answer
    x = 21,740.77

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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.