Home / 28,810.42-43,220.86-14,019.35

Finding the Fourth Proportional to 28,810.42, 43,220.86 and 14,019.35

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Solution

The fourth proportional to 28,810.42, 43,220.86 and 14,019.35 is: 21,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.42 : 43,220.86 = 14,019.35 : x
  2. Step 2: Convert to fraction form
    28,810.42/43,220.86 = 14,019.35/x
  3. Step 3: Cross multiply
    28,810.42x = 43,220.86 × 14,019.35
  4. Step 4: Simplify right side
    28,810.42x = 605,928,112.49
  5. Step 5: Solve for x
    x = 605,928,112.49/28,810.42
  6. Step 6: Final answer
    x = 21,031.56

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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.