Home / 28,063.25-42,072.65-14,015.55

Finding the Fourth Proportional to 28,063.25, 42,072.65 and 14,015.55

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Solution

The fourth proportional to 28,063.25, 42,072.65 and 14,015.55 is: 21,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.25 : 42,072.65 = 14,015.55 : x
  2. Step 2: Convert to fraction form
    28,063.25/42,072.65 = 14,015.55/x
  3. Step 3: Cross multiply
    28,063.25x = 42,072.65 × 14,015.55
  4. Step 4: Simplify right side
    28,063.25x = 589,671,364.75
  5. Step 5: Solve for x
    x = 589,671,364.75/28,063.25
  6. Step 6: Final answer
    x = 21,012.22

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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.