Home / 28,344.96-42,501.24-18,996.12

Finding the Fourth Proportional to 28,344.96, 42,501.24 and 18,996.12

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Solution

The fourth proportional to 28,344.96, 42,501.24 and 18,996.12 is: 28,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344.96 : 42,501.24 = 18,996.12 : x
  2. Step 2: Convert to fraction form
    28,344.96/42,501.24 = 18,996.12/x
  3. Step 3: Cross multiply
    28,344.96x = 42,501.24 × 18,996.12
  4. Step 4: Simplify right side
    28,344.96x = 807,358,655.19
  5. Step 5: Solve for x
    x = 807,358,655.19/28,344.96
  6. Step 6: Final answer
    x = 28,483.32

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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.