Home / 28,237.79-38,972.09-16,300.91

Finding the Fourth Proportional to 28,237.79, 38,972.09 and 16,300.91

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Solution

The fourth proportional to 28,237.79, 38,972.09 and 16,300.91 is: 22,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.79 : 38,972.09 = 16,300.91 : x
  2. Step 2: Convert to fraction form
    28,237.79/38,972.09 = 16,300.91/x
  3. Step 3: Cross multiply
    28,237.79x = 38,972.09 × 16,300.91
  4. Step 4: Simplify right side
    28,237.79x = 635,280,531.60
  5. Step 5: Solve for x
    x = 635,280,531.60/28,237.79
  6. Step 6: Final answer
    x = 22,497.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.