Home / 28,436.68-42,655.02-14,576.84

Finding the Fourth Proportional to 28,436.68, 42,655.02 and 14,576.84

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Solution

The fourth proportional to 28,436.68, 42,655.02 and 14,576.84 is: 21,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.68 : 42,655.02 = 14,576.84 : x
  2. Step 2: Convert to fraction form
    28,436.68/42,655.02 = 14,576.84/x
  3. Step 3: Cross multiply
    28,436.68x = 42,655.02 × 14,576.84
  4. Step 4: Simplify right side
    28,436.68x = 621,775,401.74
  5. Step 5: Solve for x
    x = 621,775,401.74/28,436.68
  6. Step 6: Final answer
    x = 21,865.26

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Similar ratio
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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.