Home / 28,641.46-42,993.63-22,756.18

Finding the Fourth Proportional to 28,641.46, 42,993.63 and 22,756.18

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Solution

The fourth proportional to 28,641.46, 42,993.63 and 22,756.18 is: 34,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.46 : 42,993.63 = 22,756.18 : x
  2. Step 2: Convert to fraction form
    28,641.46/42,993.63 = 22,756.18/x
  3. Step 3: Cross multiply
    28,641.46x = 42,993.63 × 22,756.18
  4. Step 4: Simplify right side
    28,641.46x = 978,370,783.13
  5. Step 5: Solve for x
    x = 978,370,783.13/28,641.46
  6. Step 6: Final answer
    x = 34,159.25

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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.