Home / 28,572.80-42,826.08-16,895.84

Finding the Fourth Proportional to 28,572.80, 42,826.08 and 16,895.84

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Solution

The fourth proportional to 28,572.80, 42,826.08 and 16,895.84 is: 25,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.80 : 42,826.08 = 16,895.84 : x
  2. Step 2: Convert to fraction form
    28,572.80/42,826.08 = 16,895.84/x
  3. Step 3: Cross multiply
    28,572.80x = 42,826.08 × 16,895.84
  4. Step 4: Simplify right side
    28,572.80x = 723,582,595.51
  5. Step 5: Solve for x
    x = 723,582,595.51/28,572.80
  6. Step 6: Final answer
    x = 25,324.18

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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.