Home / 19,039.25-28,560.51-4,999.20

Finding the Fourth Proportional to 19,039.25, 28,560.51 and 4,999.20

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Solution

The fourth proportional to 19,039.25, 28,560.51 and 4,999.20 is: 7,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.25 : 28,560.51 = 4,999.20 : x
  2. Step 2: Convert to fraction form
    19,039.25/28,560.51 = 4,999.20/x
  3. Step 3: Cross multiply
    19,039.25x = 28,560.51 × 4,999.20
  4. Step 4: Simplify right side
    19,039.25x = 142,779,701.59
  5. Step 5: Solve for x
    x = 142,779,701.59/19,039.25
  6. Step 6: Final answer
    x = 7,499.23

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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.