Home / 28,622.45-39,473.14-17,868.32

Finding the Fourth Proportional to 28,622.45, 39,473.14 and 17,868.32

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Solution

The fourth proportional to 28,622.45, 39,473.14 and 17,868.32 is: 24,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.45 : 39,473.14 = 17,868.32 : x
  2. Step 2: Convert to fraction form
    28,622.45/39,473.14 = 17,868.32/x
  3. Step 3: Cross multiply
    28,622.45x = 39,473.14 × 17,868.32
  4. Step 4: Simplify right side
    28,622.45x = 705,318,488.39
  5. Step 5: Solve for x
    x = 705,318,488.39/28,622.45
  6. Step 6: Final answer
    x = 24,642.14

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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.