Home / 21,573.32-32,316.90-17,138.50

Finding the Fourth Proportional to 21,573.32, 32,316.90 and 17,138.50

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Solution

The fourth proportional to 21,573.32, 32,316.90 and 17,138.50 is: 25,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.32 : 32,316.90 = 17,138.50 : x
  2. Step 2: Convert to fraction form
    21,573.32/32,316.90 = 17,138.50/x
  3. Step 3: Cross multiply
    21,573.32x = 32,316.90 × 17,138.50
  4. Step 4: Simplify right side
    21,573.32x = 553,863,029.07
  5. Step 5: Solve for x
    x = 553,863,029.07/21,573.32
  6. Step 6: Final answer
    x = 25,673.52

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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.