Home / 18,932.46-28,214.13-18,362.40

Finding the Fourth Proportional to 18,932.46, 28,214.13 and 18,362.40

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Solution

The fourth proportional to 18,932.46, 28,214.13 and 18,362.40 is: 27,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.46 : 28,214.13 = 18,362.40 : x
  2. Step 2: Convert to fraction form
    18,932.46/28,214.13 = 18,362.40/x
  3. Step 3: Cross multiply
    18,932.46x = 28,214.13 × 18,362.40
  4. Step 4: Simplify right side
    18,932.46x = 518,079,140.71
  5. Step 5: Solve for x
    x = 518,079,140.71/18,932.46
  6. Step 6: Final answer
    x = 27,364.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.