Home / 28,208.02-38,931.15-16,268.98

Finding the Fourth Proportional to 28,208.02, 38,931.15 and 16,268.98

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Solution

The fourth proportional to 28,208.02, 38,931.15 and 16,268.98 is: 22,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.02 : 38,931.15 = 16,268.98 : x
  2. Step 2: Convert to fraction form
    28,208.02/38,931.15 = 16,268.98/x
  3. Step 3: Cross multiply
    28,208.02x = 38,931.15 × 16,268.98
  4. Step 4: Simplify right side
    28,208.02x = 633,370,100.73
  5. Step 5: Solve for x
    x = 633,370,100.73/28,208.02
  6. Step 6: Final answer
    x = 22,453.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.