Home / 28,306.89-42,459.88-7,246.75

Finding the Fourth Proportional to 28,306.89, 42,459.88 and 7,246.75

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Solution

The fourth proportional to 28,306.89, 42,459.88 and 7,246.75 is: 10,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.89 : 42,459.88 = 7,246.75 : x
  2. Step 2: Convert to fraction form
    28,306.89/42,459.88 = 7,246.75/x
  3. Step 3: Cross multiply
    28,306.89x = 42,459.88 × 7,246.75
  4. Step 4: Simplify right side
    28,306.89x = 307,696,135.39
  5. Step 5: Solve for x
    x = 307,696,135.39/28,306.89
  6. Step 6: Final answer
    x = 10,870.01

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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.