Home / 28,017.16-42,039.09-17,484.32

Finding the Fourth Proportional to 28,017.16, 42,039.09 and 17,484.32

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Solution

The fourth proportional to 28,017.16, 42,039.09 and 17,484.32 is: 26,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.16 : 42,039.09 = 17,484.32 : x
  2. Step 2: Convert to fraction form
    28,017.16/42,039.09 = 17,484.32/x
  3. Step 3: Cross multiply
    28,017.16x = 42,039.09 × 17,484.32
  4. Step 4: Simplify right side
    28,017.16x = 735,024,902.07
  5. Step 5: Solve for x
    x = 735,024,902.07/28,017.16
  6. Step 6: Final answer
    x = 26,234.81

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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.