Home / 28,258.08-38,999.28-16,325.28

Finding the Fourth Proportional to 28,258.08, 38,999.28 and 16,325.28

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Solution

The fourth proportional to 28,258.08, 38,999.28 and 16,325.28 is: 22,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,258.08 : 38,999.28 = 16,325.28 : x
  2. Step 2: Convert to fraction form
    28,258.08/38,999.28 = 16,325.28/x
  3. Step 3: Cross multiply
    28,258.08x = 38,999.28 × 16,325.28
  4. Step 4: Simplify right side
    28,258.08x = 636,674,165.80
  5. Step 5: Solve for x
    x = 636,674,165.80/28,258.08
  6. Step 6: Final answer
    x = 22,530.69

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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.