Home / 28,553.80-42,808.74-14,502.28

Finding the Fourth Proportional to 28,553.80, 42,808.74 and 14,502.28

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Solution

The fourth proportional to 28,553.80, 42,808.74 and 14,502.28 is: 21,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.80 : 42,808.74 = 14,502.28 : x
  2. Step 2: Convert to fraction form
    28,553.80/42,808.74 = 14,502.28/x
  3. Step 3: Cross multiply
    28,553.80x = 42,808.74 × 14,502.28
  4. Step 4: Simplify right side
    28,553.80x = 620,824,333.93
  5. Step 5: Solve for x
    x = 620,824,333.93/28,553.80
  6. Step 6: Final answer
    x = 21,742.27

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1.5x scale

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.