Home / 38,927.64-53,709.04-21,925.95

Finding the Fourth Proportional to 38,927.64, 53,709.04 and 21,925.95

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Solution

The fourth proportional to 38,927.64, 53,709.04 and 21,925.95 is: 30,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.64 : 53,709.04 = 21,925.95 : x
  2. Step 2: Convert to fraction form
    38,927.64/53,709.04 = 21,925.95/x
  3. Step 3: Cross multiply
    38,927.64x = 53,709.04 × 21,925.95
  4. Step 4: Simplify right side
    38,927.64x = 1,177,621,725.59
  5. Step 5: Solve for x
    x = 1,177,621,725.59/38,927.64
  6. Step 6: Final answer
    x = 30,251.56

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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.