Home / 28,479.06-39,289.05-19,050.66

Finding the Fourth Proportional to 28,479.06, 39,289.05 and 19,050.66

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Solution

The fourth proportional to 28,479.06, 39,289.05 and 19,050.66 is: 26,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479.06 : 39,289.05 = 19,050.66 : x
  2. Step 2: Convert to fraction form
    28,479.06/39,289.05 = 19,050.66/x
  3. Step 3: Cross multiply
    28,479.06x = 39,289.05 × 19,050.66
  4. Step 4: Simplify right side
    28,479.06x = 748,482,333.27
  5. Step 5: Solve for x
    x = 748,482,333.27/28,479.06
  6. Step 6: Final answer
    x = 26,281.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.