Home / 28,205.12-42,296.74-15,050.32

Finding the Fourth Proportional to 28,205.12, 42,296.74 and 15,050.32

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Solution

The fourth proportional to 28,205.12, 42,296.74 and 15,050.32 is: 22,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205.12 : 42,296.74 = 15,050.32 : x
  2. Step 2: Convert to fraction form
    28,205.12/42,296.74 = 15,050.32/x
  3. Step 3: Cross multiply
    28,205.12x = 42,296.74 × 15,050.32
  4. Step 4: Simplify right side
    28,205.12x = 636,579,471.96
  5. Step 5: Solve for x
    x = 636,579,471.96/28,205.12
  6. Step 6: Final answer
    x = 22,569.64

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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.