Home / 28,266.22-42,400.24-14,218.58

Finding the Fourth Proportional to 28,266.22, 42,400.24 and 14,218.58

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Solution

The fourth proportional to 28,266.22, 42,400.24 and 14,218.58 is: 21,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.22 : 42,400.24 = 14,218.58 : x
  2. Step 2: Convert to fraction form
    28,266.22/42,400.24 = 14,218.58/x
  3. Step 3: Cross multiply
    28,266.22x = 42,400.24 × 14,218.58
  4. Step 4: Simplify right side
    28,266.22x = 602,871,204.46
  5. Step 5: Solve for x
    x = 602,871,204.46/28,266.22
  6. Step 6: Final answer
    x = 21,328.33

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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.