Home / 28,501.34-39,337.26-18,793.71

Finding the Fourth Proportional to 28,501.34, 39,337.26 and 18,793.71

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Solution

The fourth proportional to 28,501.34, 39,337.26 and 18,793.71 is: 25,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.34 : 39,337.26 = 18,793.71 : x
  2. Step 2: Convert to fraction form
    28,501.34/39,337.26 = 18,793.71/x
  3. Step 3: Cross multiply
    28,501.34x = 39,337.26 × 18,793.71
  4. Step 4: Simplify right side
    28,501.34x = 739,293,056.63
  5. Step 5: Solve for x
    x = 739,293,056.63/28,501.34
  6. Step 6: Final answer
    x = 25,938.89

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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.