Home / 28,306.48-42,448.08-12,297.04

Finding the Fourth Proportional to 28,306.48, 42,448.08 and 12,297.04

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Solution

The fourth proportional to 28,306.48, 42,448.08 and 12,297.04 is: 18,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.48 : 42,448.08 = 12,297.04 : x
  2. Step 2: Convert to fraction form
    28,306.48/42,448.08 = 12,297.04/x
  3. Step 3: Cross multiply
    28,306.48x = 42,448.08 × 12,297.04
  4. Step 4: Simplify right side
    28,306.48x = 521,985,737.68
  5. Step 5: Solve for x
    x = 521,985,737.68/28,306.48
  6. Step 6: Final answer
    x = 18,440.50

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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.