Home / 35,909.40-53,813.69-28,379.86

Finding the Fourth Proportional to 35,909.40, 53,813.69 and 28,379.86

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Solution

The fourth proportional to 35,909.40, 53,813.69 and 28,379.86 is: 42,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,909.40 : 53,813.69 = 28,379.86 : x
  2. Step 2: Convert to fraction form
    35,909.40/53,813.69 = 28,379.86/x
  3. Step 3: Cross multiply
    35,909.40x = 53,813.69 × 28,379.86
  4. Step 4: Simplify right side
    35,909.40x = 1,527,224,818.27
  5. Step 5: Solve for x
    x = 1,527,224,818.27/35,909.40
  6. Step 6: Final answer
    x = 42,529.94

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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.