Home / 28,099.48-42,172.86-14,055.29

Finding the Fourth Proportional to 28,099.48, 42,172.86 and 14,055.29

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Solution

The fourth proportional to 28,099.48, 42,172.86 and 14,055.29 is: 21,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.48 : 42,172.86 = 14,055.29 : x
  2. Step 2: Convert to fraction form
    28,099.48/42,172.86 = 14,055.29/x
  3. Step 3: Cross multiply
    28,099.48x = 42,172.86 × 14,055.29
  4. Step 4: Simplify right side
    28,099.48x = 592,751,777.43
  5. Step 5: Solve for x
    x = 592,751,777.43/28,099.48
  6. Step 6: Final answer
    x = 21,094.76

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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.