Home / 23,929.28-33,031.32-20,558.60

Finding the Fourth Proportional to 23,929.28, 33,031.32 and 20,558.60

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Solution

The fourth proportional to 23,929.28, 33,031.32 and 20,558.60 is: 28,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,929.28 : 33,031.32 = 20,558.60 : x
  2. Step 2: Convert to fraction form
    23,929.28/33,031.32 = 20,558.60/x
  3. Step 3: Cross multiply
    23,929.28x = 33,031.32 × 20,558.60
  4. Step 4: Simplify right side
    23,929.28x = 679,077,695.35
  5. Step 5: Solve for x
    x = 679,077,695.35/23,929.28
  6. Step 6: Final answer
    x = 28,378.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.