Home / 19,017.32-28,525.88-5,166.32

Finding the Fourth Proportional to 19,017.32, 28,525.88 and 5,166.32

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Solution

The fourth proportional to 19,017.32, 28,525.88 and 5,166.32 is: 7,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.32 : 28,525.88 = 5,166.32 : x
  2. Step 2: Convert to fraction form
    19,017.32/28,525.88 = 5,166.32/x
  3. Step 3: Cross multiply
    19,017.32x = 28,525.88 × 5,166.32
  4. Step 4: Simplify right side
    19,017.32x = 147,373,824.36
  5. Step 5: Solve for x
    x = 147,373,824.36/19,017.32
  6. Step 6: Final answer
    x = 7,749.45

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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.