Home / 20,754.05-28,630.53-14,041.98

Finding the Fourth Proportional to 20,754.05, 28,630.53 and 14,041.98

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Solution

The fourth proportional to 20,754.05, 28,630.53 and 14,041.98 is: 19,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.05 : 28,630.53 = 14,041.98 : x
  2. Step 2: Convert to fraction form
    20,754.05/28,630.53 = 14,041.98/x
  3. Step 3: Cross multiply
    20,754.05x = 28,630.53 × 14,041.98
  4. Step 4: Simplify right side
    20,754.05x = 402,029,329.65
  5. Step 5: Solve for x
    x = 402,029,329.65/20,754.05
  6. Step 6: Final answer
    x = 19,371.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.