Home / 28,018.04-42,050.75-13,237.56

Finding the Fourth Proportional to 28,018.04, 42,050.75 and 13,237.56

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Solution

The fourth proportional to 28,018.04, 42,050.75 and 13,237.56 is: 19,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.04 : 42,050.75 = 13,237.56 : x
  2. Step 2: Convert to fraction form
    28,018.04/42,050.75 = 13,237.56/x
  3. Step 3: Cross multiply
    28,018.04x = 42,050.75 × 13,237.56
  4. Step 4: Simplify right side
    28,018.04x = 556,649,259.98
  5. Step 5: Solve for x
    x = 556,649,259.98/28,018.04
  6. Step 6: Final answer
    x = 19,867.53

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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.