Home / 35,140.59-52,728.21-16,421.91

Finding the Fourth Proportional to 35,140.59, 52,728.21 and 16,421.91

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Solution

The fourth proportional to 35,140.59, 52,728.21 and 16,421.91 is: 24,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,140.59 : 52,728.21 = 16,421.91 : x
  2. Step 2: Convert to fraction form
    35,140.59/52,728.21 = 16,421.91/x
  3. Step 3: Cross multiply
    35,140.59x = 52,728.21 × 16,421.91
  4. Step 4: Simplify right side
    35,140.59x = 865,897,919.08
  5. Step 5: Solve for x
    x = 865,897,919.08/35,140.59
  6. Step 6: Final answer
    x = 24,640.96

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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.