Home / 28,110.84-42,205.14-14,269.56

Finding the Fourth Proportional to 28,110.84, 42,205.14 and 14,269.56

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Solution

The fourth proportional to 28,110.84, 42,205.14 and 14,269.56 is: 21,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.84 : 42,205.14 = 14,269.56 : x
  2. Step 2: Convert to fraction form
    28,110.84/42,205.14 = 14,269.56/x
  3. Step 3: Cross multiply
    28,110.84x = 42,205.14 × 14,269.56
  4. Step 4: Simplify right side
    28,110.84x = 602,248,777.54
  5. Step 5: Solve for x
    x = 602,248,777.54/28,110.84
  6. Step 6: Final answer
    x = 21,424.08

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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.