Home / 28,071.93-42,116.10-10,543.14

Finding the Fourth Proportional to 28,071.93, 42,116.10 and 10,543.14

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Solution

The fourth proportional to 28,071.93, 42,116.10 and 10,543.14 is: 15,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.93 : 42,116.10 = 10,543.14 : x
  2. Step 2: Convert to fraction form
    28,071.93/42,116.10 = 10,543.14/x
  3. Step 3: Cross multiply
    28,071.93x = 42,116.10 × 10,543.14
  4. Step 4: Simplify right side
    28,071.93x = 444,035,938.55
  5. Step 5: Solve for x
    x = 444,035,938.55/28,071.93
  6. Step 6: Final answer
    x = 15,817.79

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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.