Home / 27,854.02-38,435.91-15,917.26

Finding the Fourth Proportional to 27,854.02, 38,435.91 and 15,917.26

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Solution

The fourth proportional to 27,854.02, 38,435.91 and 15,917.26 is: 21,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,854.02 : 38,435.91 = 15,917.26 : x
  2. Step 2: Convert to fraction form
    27,854.02/38,435.91 = 15,917.26/x
  3. Step 3: Cross multiply
    27,854.02x = 38,435.91 × 15,917.26
  4. Step 4: Simplify right side
    27,854.02x = 611,794,372.81
  5. Step 5: Solve for x
    x = 611,794,372.81/27,854.02
  6. Step 6: Final answer
    x = 21,964.31

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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.