Home / 19,780.02-27,295.75-10,827.34

Finding the Fourth Proportional to 19,780.02, 27,295.75 and 10,827.34

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Solution

The fourth proportional to 19,780.02, 27,295.75 and 10,827.34 is: 14,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780.02 : 27,295.75 = 10,827.34 : x
  2. Step 2: Convert to fraction form
    19,780.02/27,295.75 = 10,827.34/x
  3. Step 3: Cross multiply
    19,780.02x = 27,295.75 × 10,827.34
  4. Step 4: Simplify right side
    19,780.02x = 295,540,365.81
  5. Step 5: Solve for x
    x = 295,540,365.81/19,780.02
  6. Step 6: Final answer
    x = 14,941.36

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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.