Home / 21,359.16-32,024.94-8,887.78

Finding the Fourth Proportional to 21,359.16, 32,024.94 and 8,887.78

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Solution

The fourth proportional to 21,359.16, 32,024.94 and 8,887.78 is: 13,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.16 : 32,024.94 = 8,887.78 : x
  2. Step 2: Convert to fraction form
    21,359.16/32,024.94 = 8,887.78/x
  3. Step 3: Cross multiply
    21,359.16x = 32,024.94 × 8,887.78
  4. Step 4: Simplify right side
    21,359.16x = 284,630,621.23
  5. Step 5: Solve for x
    x = 284,630,621.23/21,359.16
  6. Step 6: Final answer
    x = 13,325.93

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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.