Home / 28,244.96-42,355.13-9,521.51

Finding the Fourth Proportional to 28,244.96, 42,355.13 and 9,521.51

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Solution

The fourth proportional to 28,244.96, 42,355.13 and 9,521.51 is: 14,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.96 : 42,355.13 = 9,521.51 : x
  2. Step 2: Convert to fraction form
    28,244.96/42,355.13 = 9,521.51/x
  3. Step 3: Cross multiply
    28,244.96x = 42,355.13 × 9,521.51
  4. Step 4: Simplify right side
    28,244.96x = 403,284,534.46
  5. Step 5: Solve for x
    x = 403,284,534.46/28,244.96
  6. Step 6: Final answer
    x = 14,278.11

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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.