Home / 19,059.28-28,587.55-5,911.31

Finding the Fourth Proportional to 19,059.28, 28,587.55 and 5,911.31

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Solution

The fourth proportional to 19,059.28, 28,587.55 and 5,911.31 is: 8,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.28 : 28,587.55 = 5,911.31 : x
  2. Step 2: Convert to fraction form
    19,059.28/28,587.55 = 5,911.31/x
  3. Step 3: Cross multiply
    19,059.28x = 28,587.55 × 5,911.31
  4. Step 4: Simplify right side
    19,059.28x = 168,989,870.19
  5. Step 5: Solve for x
    x = 168,989,870.19/19,059.28
  6. Step 6: Final answer
    x = 8,866.54

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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.