Home / 28,016.07-42,036.86-10,487.26

Finding the Fourth Proportional to 28,016.07, 42,036.86 and 10,487.26

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Solution

The fourth proportional to 28,016.07, 42,036.86 and 10,487.26 is: 15,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.07 : 42,036.86 = 10,487.26 : x
  2. Step 2: Convert to fraction form
    28,016.07/42,036.86 = 10,487.26/x
  3. Step 3: Cross multiply
    28,016.07x = 42,036.86 × 10,487.26
  4. Step 4: Simplify right side
    28,016.07x = 440,851,480.40
  5. Step 5: Solve for x
    x = 440,851,480.40/28,016.07
  6. Step 6: Final answer
    x = 15,735.66

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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.