Home / 20,483.32-28,257.84-16,722.02

Finding the Fourth Proportional to 20,483.32, 28,257.84 and 16,722.02

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Solution

The fourth proportional to 20,483.32, 28,257.84 and 16,722.02 is: 23,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.32 : 28,257.84 = 16,722.02 : x
  2. Step 2: Convert to fraction form
    20,483.32/28,257.84 = 16,722.02/x
  3. Step 3: Cross multiply
    20,483.32x = 28,257.84 × 16,722.02
  4. Step 4: Simplify right side
    20,483.32x = 472,528,165.64
  5. Step 5: Solve for x
    x = 472,528,165.64/20,483.32
  6. Step 6: Final answer
    x = 23,068.92

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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.