Home / 28,816.22-43,140.26-17,689.17

Finding the Fourth Proportional to 28,816.22, 43,140.26 and 17,689.17

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Solution

The fourth proportional to 28,816.22, 43,140.26 and 17,689.17 is: 26,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.22 : 43,140.26 = 17,689.17 : x
  2. Step 2: Convert to fraction form
    28,816.22/43,140.26 = 17,689.17/x
  3. Step 3: Cross multiply
    28,816.22x = 43,140.26 × 17,689.17
  4. Step 4: Simplify right side
    28,816.22x = 763,115,598.98
  5. Step 5: Solve for x
    x = 763,115,598.98/28,816.22
  6. Step 6: Final answer
    x = 26,482.15

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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.