Home / 42,835.58-64,276.61-17,877.80

Finding the Fourth Proportional to 42,835.58, 64,276.61 and 17,877.80

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Solution

The fourth proportional to 42,835.58, 64,276.61 and 17,877.80 is: 26,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,835.58 : 64,276.61 = 17,877.80 : x
  2. Step 2: Convert to fraction form
    42,835.58/64,276.61 = 17,877.80/x
  3. Step 3: Cross multiply
    42,835.58x = 64,276.61 × 17,877.80
  4. Step 4: Simplify right side
    42,835.58x = 1,149,124,288.87
  5. Step 5: Solve for x
    x = 1,149,124,288.87/42,835.58
  6. Step 6: Final answer
    x = 26,826.40

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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.