Home / 28,216.80-42,304.95-14,166.81

Finding the Fourth Proportional to 28,216.80, 42,304.95 and 14,166.81

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Solution

The fourth proportional to 28,216.80, 42,304.95 and 14,166.81 is: 21,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.80 : 42,304.95 = 14,166.81 : x
  2. Step 2: Convert to fraction form
    28,216.80/42,304.95 = 14,166.81/x
  3. Step 3: Cross multiply
    28,216.80x = 42,304.95 × 14,166.81
  4. Step 4: Simplify right side
    28,216.80x = 599,326,188.71
  5. Step 5: Solve for x
    x = 599,326,188.71/28,216.80
  6. Step 6: Final answer
    x = 21,240.05

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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.