Home / 21,492,015.20-32,238,022.80-17,240,487.20

Finding the Fourth Proportional to 21,492,015.20, 32,238,022.80 and 17,240,487.20

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Solution

The fourth proportional to 21,492,015.20, 32,238,022.80 and 17,240,487.20 is: 25,860,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,015.20 : 32,238,022.80 = 17,240,487.20 : x
  2. Step 2: Convert to fraction form
    21,492,015.20/32,238,022.80 = 17,240,487.20/x
  3. Step 3: Cross multiply
    21,492,015.20x = 32,238,022.80 × 17,240,487.20
  4. Step 4: Simplify right side
    21,492,015.20x = 555,799,219,436,708.12
  5. Step 5: Solve for x
    x = 555,799,219,436,708.12/21,492,015.20
  6. Step 6: Final answer
    x = 25,860,730.80

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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.