Home / 19,339.28-28,946.16-10,442.24

Finding the Fourth Proportional to 19,339.28, 28,946.16 and 10,442.24

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Solution

The fourth proportional to 19,339.28, 28,946.16 and 10,442.24 is: 15,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.28 : 28,946.16 = 10,442.24 : x
  2. Step 2: Convert to fraction form
    19,339.28/28,946.16 = 10,442.24/x
  3. Step 3: Cross multiply
    19,339.28x = 28,946.16 × 10,442.24
  4. Step 4: Simplify right side
    19,339.28x = 302,262,749.80
  5. Step 5: Solve for x
    x = 302,262,749.80/19,339.28
  6. Step 6: Final answer
    x = 15,629.47

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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.