Home / 28,626.32-39,490.72-19,070.65

Finding the Fourth Proportional to 28,626.32, 39,490.72 and 19,070.65

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Solution

The fourth proportional to 28,626.32, 39,490.72 and 19,070.65 is: 26,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.32 : 39,490.72 = 19,070.65 : x
  2. Step 2: Convert to fraction form
    28,626.32/39,490.72 = 19,070.65/x
  3. Step 3: Cross multiply
    28,626.32x = 39,490.72 × 19,070.65
  4. Step 4: Simplify right side
    28,626.32x = 753,113,796.41
  5. Step 5: Solve for x
    x = 753,113,796.41/28,626.32
  6. Step 6: Final answer
    x = 26,308.44

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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.