Home / 21,490.64-32,225.61-16,798.76

Finding the Fourth Proportional to 21,490.64, 32,225.61 and 16,798.76

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Solution

The fourth proportional to 21,490.64, 32,225.61 and 16,798.76 is: 25,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490.64 : 32,225.61 = 16,798.76 : x
  2. Step 2: Convert to fraction form
    21,490.64/32,225.61 = 16,798.76/x
  3. Step 3: Cross multiply
    21,490.64x = 32,225.61 × 16,798.76
  4. Step 4: Simplify right side
    21,490.64x = 541,350,288.24
  5. Step 5: Solve for x
    x = 541,350,288.24/21,490.64
  6. Step 6: Final answer
    x = 25,190.05

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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.