Home / 26,569.16-39,742.76-18,671.12

Finding the Fourth Proportional to 26,569.16, 39,742.76 and 18,671.12

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Solution

The fourth proportional to 26,569.16, 39,742.76 and 18,671.12 is: 27,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,569.16 : 39,742.76 = 18,671.12 : x
  2. Step 2: Convert to fraction form
    26,569.16/39,742.76 = 18,671.12/x
  3. Step 3: Cross multiply
    26,569.16x = 39,742.76 × 18,671.12
  4. Step 4: Simplify right side
    26,569.16x = 742,041,841.09
  5. Step 5: Solve for x
    x = 742,041,841.09/26,569.16
  6. Step 6: Final answer
    x = 27,928.69

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