Home / 28,927.96-39,908.80-18,852.73

Finding the Fourth Proportional to 28,927.96, 39,908.80 and 18,852.73

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Solution

The fourth proportional to 28,927.96, 39,908.80 and 18,852.73 is: 26,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.96 : 39,908.80 = 18,852.73 : x
  2. Step 2: Convert to fraction form
    28,927.96/39,908.80 = 18,852.73/x
  3. Step 3: Cross multiply
    28,927.96x = 39,908.80 × 18,852.73
  4. Step 4: Simplify right side
    28,927.96x = 752,389,831.02
  5. Step 5: Solve for x
    x = 752,389,831.02/28,927.96
  6. Step 6: Final answer
    x = 26,009.09

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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.