Home / 19,077.90-28,616.40-5,226.90

Finding the Fourth Proportional to 19,077.90, 28,616.40 and 5,226.90

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Solution

The fourth proportional to 19,077.90, 28,616.40 and 5,226.90 is: 7,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.90 : 28,616.40 = 5,226.90 : x
  2. Step 2: Convert to fraction form
    19,077.90/28,616.40 = 5,226.90/x
  3. Step 3: Cross multiply
    19,077.90x = 28,616.40 × 5,226.90
  4. Step 4: Simplify right side
    19,077.90x = 149,575,061.16
  5. Step 5: Solve for x
    x = 149,575,061.16/19,077.90
  6. Step 6: Final answer
    x = 7,840.23

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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.