Home / 26,378.16-39,574.52-13,214.64

Finding the Fourth Proportional to 26,378.16, 39,574.52 and 13,214.64

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Solution

The fourth proportional to 26,378.16, 39,574.52 and 13,214.64 is: 19,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.16 : 39,574.52 = 13,214.64 : x
  2. Step 2: Convert to fraction form
    26,378.16/39,574.52 = 13,214.64/x
  3. Step 3: Cross multiply
    26,378.16x = 39,574.52 × 13,214.64
  4. Step 4: Simplify right side
    26,378.16x = 522,963,034.97
  5. Step 5: Solve for x
    x = 522,963,034.97/26,378.16
  6. Step 6: Final answer
    x = 19,825.61

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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.