Home / 19,458.35-26,900.22-19,280.64

Finding the Fourth Proportional to 19,458.35, 26,900.22 and 19,280.64

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Solution

The fourth proportional to 19,458.35, 26,900.22 and 19,280.64 is: 26,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.35 : 26,900.22 = 19,280.64 : x
  2. Step 2: Convert to fraction form
    19,458.35/26,900.22 = 19,280.64/x
  3. Step 3: Cross multiply
    19,458.35x = 26,900.22 × 19,280.64
  4. Step 4: Simplify right side
    19,458.35x = 518,653,457.74
  5. Step 5: Solve for x
    x = 518,653,457.74/19,458.35
  6. Step 6: Final answer
    x = 26,654.55

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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.