Home / 28,152.30-42,202.53-13,368.18

Finding the Fourth Proportional to 28,152.30, 42,202.53 and 13,368.18

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Solution

The fourth proportional to 28,152.30, 42,202.53 and 13,368.18 is: 20,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.30 : 42,202.53 = 13,368.18 : x
  2. Step 2: Convert to fraction form
    28,152.30/42,202.53 = 13,368.18/x
  3. Step 3: Cross multiply
    28,152.30x = 42,202.53 × 13,368.18
  4. Step 4: Simplify right side
    28,152.30x = 564,171,017.50
  5. Step 5: Solve for x
    x = 564,171,017.50/28,152.30
  6. Step 6: Final answer
    x = 20,039.96

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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.