Home / 28,543.33-42,784.26-11,898.91

Finding the Fourth Proportional to 28,543.33, 42,784.26 and 11,898.91

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Solution

The fourth proportional to 28,543.33, 42,784.26 and 11,898.91 is: 17,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.33 : 42,784.26 = 11,898.91 : x
  2. Step 2: Convert to fraction form
    28,543.33/42,784.26 = 11,898.91/x
  3. Step 3: Cross multiply
    28,543.33x = 42,784.26 × 11,898.91
  4. Step 4: Simplify right side
    28,543.33x = 509,086,059.16
  5. Step 5: Solve for x
    x = 509,086,059.16/28,543.33
  6. Step 6: Final answer
    x = 17,835.55

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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.