Home / 28,013.68-42,025.51-9,294.84

Finding the Fourth Proportional to 28,013.68, 42,025.51 and 9,294.84

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Solution

The fourth proportional to 28,013.68, 42,025.51 and 9,294.84 is: 13,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.68 : 42,025.51 = 9,294.84 : x
  2. Step 2: Convert to fraction form
    28,013.68/42,025.51 = 9,294.84/x
  3. Step 3: Cross multiply
    28,013.68x = 42,025.51 × 9,294.84
  4. Step 4: Simplify right side
    28,013.68x = 390,620,214.18
  5. Step 5: Solve for x
    x = 390,620,214.18/28,013.68
  6. Step 6: Final answer
    x = 13,943.91

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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.