Home / 28,055.54-38,739.39-26,787.08

Finding the Fourth Proportional to 28,055.54, 38,739.39 and 26,787.08

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Solution

The fourth proportional to 28,055.54, 38,739.39 and 26,787.08 is: 36,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.54 : 38,739.39 = 26,787.08 : x
  2. Step 2: Convert to fraction form
    28,055.54/38,739.39 = 26,787.08/x
  3. Step 3: Cross multiply
    28,055.54x = 38,739.39 × 26,787.08
  4. Step 4: Simplify right side
    28,055.54x = 1,037,715,139.08
  5. Step 5: Solve for x
    x = 1,037,715,139.08/28,055.54
  6. Step 6: Final answer
    x = 36,987.89

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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.