Home / 26,653.95-39,973.95-7,928.94

Finding the Fourth Proportional to 26,653.95, 39,973.95 and 7,928.94

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Solution

The fourth proportional to 26,653.95, 39,973.95 and 7,928.94 is: 11,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.95 : 39,973.95 = 7,928.94 : x
  2. Step 2: Convert to fraction form
    26,653.95/39,973.95 = 7,928.94/x
  3. Step 3: Cross multiply
    26,653.95x = 39,973.95 × 7,928.94
  4. Step 4: Simplify right side
    26,653.95x = 316,951,051.11
  5. Step 5: Solve for x
    x = 316,951,051.11/26,653.95
  6. Step 6: Final answer
    x = 11,891.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.