Home / 28,622.13-42,933.60-13,021.53

Finding the Fourth Proportional to 28,622.13, 42,933.60 and 13,021.53

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Solution

The fourth proportional to 28,622.13, 42,933.60 and 13,021.53 is: 19,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.13 : 42,933.60 = 13,021.53 : x
  2. Step 2: Convert to fraction form
    28,622.13/42,933.60 = 13,021.53/x
  3. Step 3: Cross multiply
    28,622.13x = 42,933.60 × 13,021.53
  4. Step 4: Simplify right side
    28,622.13x = 559,061,160.41
  5. Step 5: Solve for x
    x = 559,061,160.41/28,622.13
  6. Step 6: Final answer
    x = 19,532.48

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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.