Home / 28,488.22-42,686.08-17,361.12

Finding the Fourth Proportional to 28,488.22, 42,686.08 and 17,361.12

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Solution

The fourth proportional to 28,488.22, 42,686.08 and 17,361.12 is: 26,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.22 : 42,686.08 = 17,361.12 : x
  2. Step 2: Convert to fraction form
    28,488.22/42,686.08 = 17,361.12/x
  3. Step 3: Cross multiply
    28,488.22x = 42,686.08 × 17,361.12
  4. Step 4: Simplify right side
    28,488.22x = 741,078,157.21
  5. Step 5: Solve for x
    x = 741,078,157.21/28,488.22
  6. Step 6: Final answer
    x = 26,013.49

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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.