Home / 27,318.45-40,970.18-17,308.17

Finding the Fourth Proportional to 27,318.45, 40,970.18 and 17,308.17

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Solution

The fourth proportional to 27,318.45, 40,970.18 and 17,308.17 is: 25,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.45 : 40,970.18 = 17,308.17 : x
  2. Step 2: Convert to fraction form
    27,318.45/40,970.18 = 17,308.17/x
  3. Step 3: Cross multiply
    27,318.45x = 40,970.18 × 17,308.17
  4. Step 4: Simplify right side
    27,318.45x = 709,118,753.83
  5. Step 5: Solve for x
    x = 709,118,753.83/27,318.45
  6. Step 6: Final answer
    x = 25,957.50

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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.