Home / 21,698.89-32,590.05-19,254.92

Finding the Fourth Proportional to 21,698.89, 32,590.05 and 19,254.92

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Solution

The fourth proportional to 21,698.89, 32,590.05 and 19,254.92 is: 28,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,698.89 : 32,590.05 = 19,254.92 : x
  2. Step 2: Convert to fraction form
    21,698.89/32,590.05 = 19,254.92/x
  3. Step 3: Cross multiply
    21,698.89x = 32,590.05 × 19,254.92
  4. Step 4: Simplify right side
    21,698.89x = 627,518,570.39
  5. Step 5: Solve for x
    x = 627,518,570.39/21,698.89
  6. Step 6: Final answer
    x = 28,919.39

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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.