Home / 16,688.60-25,039.30-16,426.20

Finding the Fourth Proportional to 16,688.60, 25,039.30 and 16,426.20

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Solution

The fourth proportional to 16,688.60, 25,039.30 and 16,426.20 is: 24,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.60 : 25,039.30 = 16,426.20 : x
  2. Step 2: Convert to fraction form
    16,688.60/25,039.30 = 16,426.20/x
  3. Step 3: Cross multiply
    16,688.60x = 25,039.30 × 16,426.20
  4. Step 4: Simplify right side
    16,688.60x = 411,300,549.66
  5. Step 5: Solve for x
    x = 411,300,549.66/16,688.60
  6. Step 6: Final answer
    x = 24,645.60

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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.