Home / 23,135.40-31,928.74-13,066.29

Finding the Fourth Proportional to 23,135.40, 31,928.74 and 13,066.29

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Solution

The fourth proportional to 23,135.40, 31,928.74 and 13,066.29 is: 18,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.40 : 31,928.74 = 13,066.29 : x
  2. Step 2: Convert to fraction form
    23,135.40/31,928.74 = 13,066.29/x
  3. Step 3: Cross multiply
    23,135.40x = 31,928.74 × 13,066.29
  4. Step 4: Simplify right side
    23,135.40x = 417,190,143.51
  5. Step 5: Solve for x
    x = 417,190,143.51/23,135.40
  6. Step 6: Final answer
    x = 18,032.55

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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.