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Finding the Fourth Proportional to 17,328.80, 26,012.40 and 16,200.80

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Solution

The fourth proportional to 17,328.80, 26,012.40 and 16,200.80 is: 24,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.80 : 26,012.40 = 16,200.80 : x
  2. Step 2: Convert to fraction form
    17,328.80/26,012.40 = 16,200.80/x
  3. Step 3: Cross multiply
    17,328.80x = 26,012.40 × 16,200.80
  4. Step 4: Simplify right side
    17,328.80x = 421,421,689.92
  5. Step 5: Solve for x
    x = 421,421,689.92/17,328.80
  6. Step 6: Final answer
    x = 24,319.15

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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.