Home / 28,236.08-42,358.02-9,521.46

Finding the Fourth Proportional to 28,236.08, 42,358.02 and 9,521.46

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Solution

The fourth proportional to 28,236.08, 42,358.02 and 9,521.46 is: 14,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.08 : 42,358.02 = 9,521.46 : x
  2. Step 2: Convert to fraction form
    28,236.08/42,358.02 = 9,521.46/x
  3. Step 3: Cross multiply
    28,236.08x = 42,358.02 × 9,521.46
  4. Step 4: Simplify right side
    28,236.08x = 403,310,193.11
  5. Step 5: Solve for x
    x = 403,310,193.11/28,236.08
  6. Step 6: Final answer
    x = 14,283.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.