Home / 26,382.64-39,422.54-25,890.16

Finding the Fourth Proportional to 26,382.64, 39,422.54 and 25,890.16

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Solution

The fourth proportional to 26,382.64, 39,422.54 and 25,890.16 is: 38,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,382.64 : 39,422.54 = 25,890.16 : x
  2. Step 2: Convert to fraction form
    26,382.64/39,422.54 = 25,890.16/x
  3. Step 3: Cross multiply
    26,382.64x = 39,422.54 × 25,890.16
  4. Step 4: Simplify right side
    26,382.64x = 1,020,655,868.21
  5. Step 5: Solve for x
    x = 1,020,655,868.21/26,382.64
  6. Step 6: Final answer
    x = 38,686.65

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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.