Home / 28,155.34-38,863.02-16,226.62

Finding the Fourth Proportional to 28,155.34, 38,863.02 and 16,226.62

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Solution

The fourth proportional to 28,155.34, 38,863.02 and 16,226.62 is: 22,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155.34 : 38,863.02 = 16,226.62 : x
  2. Step 2: Convert to fraction form
    28,155.34/38,863.02 = 16,226.62/x
  3. Step 3: Cross multiply
    28,155.34x = 38,863.02 × 16,226.62
  4. Step 4: Simplify right side
    28,155.34x = 630,615,457.59
  5. Step 5: Solve for x
    x = 630,615,457.59/28,155.34
  6. Step 6: Final answer
    x = 22,397.72

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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.