Home / 28,426.14-42,609.42-15,927.84

Finding the Fourth Proportional to 28,426.14, 42,609.42 and 15,927.84

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Solution

The fourth proportional to 28,426.14, 42,609.42 and 15,927.84 is: 23,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426.14 : 42,609.42 = 15,927.84 : x
  2. Step 2: Convert to fraction form
    28,426.14/42,609.42 = 15,927.84/x
  3. Step 3: Cross multiply
    28,426.14x = 42,609.42 × 15,927.84
  4. Step 4: Simplify right side
    28,426.14x = 678,676,024.25
  5. Step 5: Solve for x
    x = 678,676,024.25/28,426.14
  6. Step 6: Final answer
    x = 23,875.07

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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.