Home / 28,056.49-42,090.50-8,333.29

Finding the Fourth Proportional to 28,056.49, 42,090.50 and 8,333.29

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Solution

The fourth proportional to 28,056.49, 42,090.50 and 8,333.29 is: 12,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.49 : 42,090.50 = 8,333.29 : x
  2. Step 2: Convert to fraction form
    28,056.49/42,090.50 = 8,333.29/x
  3. Step 3: Cross multiply
    28,056.49x = 42,090.50 × 8,333.29
  4. Step 4: Simplify right side
    28,056.49x = 350,752,301.08
  5. Step 5: Solve for x
    x = 350,752,301.08/28,056.49
  6. Step 6: Final answer
    x = 12,501.65

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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.