Home / 16,985.30-25,333.76-16,690.05

Finding the Fourth Proportional to 16,985.30, 25,333.76 and 16,690.05

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Solution

The fourth proportional to 16,985.30, 25,333.76 and 16,690.05 is: 24,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.30 : 25,333.76 = 16,690.05 : x
  2. Step 2: Convert to fraction form
    16,985.30/25,333.76 = 16,690.05/x
  3. Step 3: Cross multiply
    16,985.30x = 25,333.76 × 16,690.05
  4. Step 4: Simplify right side
    16,985.30x = 422,821,762.81
  5. Step 5: Solve for x
    x = 422,821,762.81/16,985.30
  6. Step 6: Final answer
    x = 24,893.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.