Home / 28,487.04-42,703.68-10,008.96

Finding the Fourth Proportional to 28,487.04, 42,703.68 and 10,008.96

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Solution

The fourth proportional to 28,487.04, 42,703.68 and 10,008.96 is: 15,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,487.04 : 42,703.68 = 10,008.96 : x
  2. Step 2: Convert to fraction form
    28,487.04/42,703.68 = 10,008.96/x
  3. Step 3: Cross multiply
    28,487.04x = 42,703.68 × 10,008.96
  4. Step 4: Simplify right side
    28,487.04x = 427,419,424.97
  5. Step 5: Solve for x
    x = 427,419,424.97/28,487.04
  6. Step 6: Final answer
    x = 15,004.00

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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.