Home / 28,565.95-42,843.93-11,021.35

Finding the Fourth Proportional to 28,565.95, 42,843.93 and 11,021.35

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Solution

The fourth proportional to 28,565.95, 42,843.93 and 11,021.35 is: 16,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.95 : 42,843.93 = 11,021.35 : x
  2. Step 2: Convert to fraction form
    28,565.95/42,843.93 = 11,021.35/x
  3. Step 3: Cross multiply
    28,565.95x = 42,843.93 × 11,021.35
  4. Step 4: Simplify right side
    28,565.95x = 472,197,947.91
  5. Step 5: Solve for x
    x = 472,197,947.91/28,565.95
  6. Step 6: Final answer
    x = 16,530.10

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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.