Home / 28,170.51-42,194.35-14,106.01

Finding the Fourth Proportional to 28,170.51, 42,194.35 and 14,106.01

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Solution

The fourth proportional to 28,170.51, 42,194.35 and 14,106.01 is: 21,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170.51 : 42,194.35 = 14,106.01 : x
  2. Step 2: Convert to fraction form
    28,170.51/42,194.35 = 14,106.01/x
  3. Step 3: Cross multiply
    28,170.51x = 42,194.35 × 14,106.01
  4. Step 4: Simplify right side
    28,170.51x = 595,193,914.30
  5. Step 5: Solve for x
    x = 595,193,914.30/28,170.51
  6. Step 6: Final answer
    x = 21,128.26

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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.