Home / 28,029.26-42,041.16-11,390.29

Finding the Fourth Proportional to 28,029.26, 42,041.16 and 11,390.29

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Solution

The fourth proportional to 28,029.26, 42,041.16 and 11,390.29 is: 17,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.26 : 42,041.16 = 11,390.29 : x
  2. Step 2: Convert to fraction form
    28,029.26/42,041.16 = 11,390.29/x
  3. Step 3: Cross multiply
    28,029.26x = 42,041.16 × 11,390.29
  4. Step 4: Simplify right side
    28,029.26x = 478,860,899.23
  5. Step 5: Solve for x
    x = 478,860,899.23/28,029.26
  6. Step 6: Final answer
    x = 17,084.32

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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.