Home / 25,731.81-35,588.16-23,078.25

Finding the Fourth Proportional to 25,731.81, 35,588.16 and 23,078.25

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Solution

The fourth proportional to 25,731.81, 35,588.16 and 23,078.25 is: 31,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.81 : 35,588.16 = 23,078.25 : x
  2. Step 2: Convert to fraction form
    25,731.81/35,588.16 = 23,078.25/x
  3. Step 3: Cross multiply
    25,731.81x = 35,588.16 × 23,078.25
  4. Step 4: Simplify right side
    25,731.81x = 821,312,453.52
  5. Step 5: Solve for x
    x = 821,312,453.52/25,731.81
  6. Step 6: Final answer
    x = 31,918.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.