Home / 70,284.19-105,467.87-25,942.27

Finding the Fourth Proportional to 70,284.19, 105,467.87 and 25,942.27

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Solution

The fourth proportional to 70,284.19, 105,467.87 and 25,942.27 is: 38,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,284.19 : 105,467.87 = 25,942.27 : x
  2. Step 2: Convert to fraction form
    70,284.19/105,467.87 = 25,942.27/x
  3. Step 3: Cross multiply
    70,284.19x = 105,467.87 × 25,942.27
  4. Step 4: Simplify right side
    70,284.19x = 2,736,075,959.86
  5. Step 5: Solve for x
    x = 2,736,075,959.86/70,284.19
  6. Step 6: Final answer
    x = 38,928.75

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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.