Home / 28,299.47-42,466.21-10,543.19

Finding the Fourth Proportional to 28,299.47, 42,466.21 and 10,543.19

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Solution

The fourth proportional to 28,299.47, 42,466.21 and 10,543.19 is: 15,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.47 : 42,466.21 = 10,543.19 : x
  2. Step 2: Convert to fraction form
    28,299.47/42,466.21 = 10,543.19/x
  3. Step 3: Cross multiply
    28,299.47x = 42,466.21 × 10,543.19
  4. Step 4: Simplify right side
    28,299.47x = 447,729,108.28
  5. Step 5: Solve for x
    x = 447,729,108.28/28,299.47
  6. Step 6: Final answer
    x = 15,821.12

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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.