Home / 28,062.14-42,100.51-14,021.60

Finding the Fourth Proportional to 28,062.14, 42,100.51 and 14,021.60

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Solution

The fourth proportional to 28,062.14, 42,100.51 and 14,021.60 is: 21,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.14 : 42,100.51 = 14,021.60 : x
  2. Step 2: Convert to fraction form
    28,062.14/42,100.51 = 14,021.60/x
  3. Step 3: Cross multiply
    28,062.14x = 42,100.51 × 14,021.60
  4. Step 4: Simplify right side
    28,062.14x = 590,316,511.02
  5. Step 5: Solve for x
    x = 590,316,511.02/28,062.14
  6. Step 6: Final answer
    x = 21,036.05

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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.