Home / 27,565.17-38,038.78-15,629.31

Finding the Fourth Proportional to 27,565.17, 38,038.78 and 15,629.31

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Solution

The fourth proportional to 27,565.17, 38,038.78 and 15,629.31 is: 21,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.17 : 38,038.78 = 15,629.31 : x
  2. Step 2: Convert to fraction form
    27,565.17/38,038.78 = 15,629.31/x
  3. Step 3: Cross multiply
    27,565.17x = 38,038.78 × 15,629.31
  4. Step 4: Simplify right side
    27,565.17x = 594,519,904.18
  5. Step 5: Solve for x
    x = 594,519,904.18/27,565.17
  6. Step 6: Final answer
    x = 21,567.80

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