Home / 20,322.45-28,017.36-14,264.46

Finding the Fourth Proportional to 20,322.45, 28,017.36 and 14,264.46

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Solution

The fourth proportional to 20,322.45, 28,017.36 and 14,264.46 is: 19,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.45 : 28,017.36 = 14,264.46 : x
  2. Step 2: Convert to fraction form
    20,322.45/28,017.36 = 14,264.46/x
  3. Step 3: Cross multiply
    20,322.45x = 28,017.36 × 14,264.46
  4. Step 4: Simplify right side
    20,322.45x = 399,652,511.03
  5. Step 5: Solve for x
    x = 399,652,511.03/20,322.45
  6. Step 6: Final answer
    x = 19,665.57

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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.