Home / 28,158.77-38,867.74-16,230.04

Finding the Fourth Proportional to 28,158.77, 38,867.74 and 16,230.04

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Solution

The fourth proportional to 28,158.77, 38,867.74 and 16,230.04 is: 22,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.77 : 38,867.74 = 16,230.04 : x
  2. Step 2: Convert to fraction form
    28,158.77/38,867.74 = 16,230.04/x
  3. Step 3: Cross multiply
    28,158.77x = 38,867.74 × 16,230.04
  4. Step 4: Simplify right side
    28,158.77x = 630,824,837.17
  5. Step 5: Solve for x
    x = 630,824,837.17/28,158.77
  6. Step 6: Final answer
    x = 22,402.43

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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.