Home / 19,016.72-28,526.72-4,976.69

Finding the Fourth Proportional to 19,016.72, 28,526.72 and 4,976.69

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Solution

The fourth proportional to 19,016.72, 28,526.72 and 4,976.69 is: 7,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.72 : 28,526.72 = 4,976.69 : x
  2. Step 2: Convert to fraction form
    19,016.72/28,526.72 = 4,976.69/x
  3. Step 3: Cross multiply
    19,016.72x = 28,526.72 × 4,976.69
  4. Step 4: Simplify right side
    19,016.72x = 141,968,474.64
  5. Step 5: Solve for x
    x = 141,968,474.64/19,016.72
  6. Step 6: Final answer
    x = 7,465.46

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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.