Home / 39,927.60-55,117.80-25,787.34

Finding the Fourth Proportional to 39,927.60, 55,117.80 and 25,787.34

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Solution

The fourth proportional to 39,927.60, 55,117.80 and 25,787.34 is: 35,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.60 : 55,117.80 = 25,787.34 : x
  2. Step 2: Convert to fraction form
    39,927.60/55,117.80 = 25,787.34/x
  3. Step 3: Cross multiply
    39,927.60x = 55,117.80 × 25,787.34
  4. Step 4: Simplify right side
    39,927.60x = 1,421,341,448.65
  5. Step 5: Solve for x
    x = 1,421,341,448.65/39,927.60
  6. Step 6: Final answer
    x = 35,597.97

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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.