Home / 19,230.48-26,534.55-14,621.90

Finding the Fourth Proportional to 19,230.48, 26,534.55 and 14,621.90

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Solution

The fourth proportional to 19,230.48, 26,534.55 and 14,621.90 is: 20,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.48 : 26,534.55 = 14,621.90 : x
  2. Step 2: Convert to fraction form
    19,230.48/26,534.55 = 14,621.90/x
  3. Step 3: Cross multiply
    19,230.48x = 26,534.55 × 14,621.90
  4. Step 4: Simplify right side
    19,230.48x = 387,985,458.80
  5. Step 5: Solve for x
    x = 387,985,458.80/19,230.48
  6. Step 6: Final answer
    x = 20,175.55

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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.