Home / 25,590.60-38,429.10-16,864.20

Finding the Fourth Proportional to 25,590.60, 38,429.10 and 16,864.20

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Solution

The fourth proportional to 25,590.60, 38,429.10 and 16,864.20 is: 25,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.60 : 38,429.10 = 16,864.20 : x
  2. Step 2: Convert to fraction form
    25,590.60/38,429.10 = 16,864.20/x
  3. Step 3: Cross multiply
    25,590.60x = 38,429.10 × 16,864.20
  4. Step 4: Simplify right side
    25,590.60x = 648,076,028.22
  5. Step 5: Solve for x
    x = 648,076,028.22/25,590.60
  6. Step 6: Final answer
    x = 25,324.77

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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.