Home / 28,449.36-42,637.13-19,075.33

Finding the Fourth Proportional to 28,449.36, 42,637.13 and 19,075.33

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Solution

The fourth proportional to 28,449.36, 42,637.13 and 19,075.33 is: 28,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.36 : 42,637.13 = 19,075.33 : x
  2. Step 2: Convert to fraction form
    28,449.36/42,637.13 = 19,075.33/x
  3. Step 3: Cross multiply
    28,449.36x = 42,637.13 × 19,075.33
  4. Step 4: Simplify right side
    28,449.36x = 813,317,123.03
  5. Step 5: Solve for x
    x = 813,317,123.03/28,449.36
  6. Step 6: Final answer
    x = 28,588.24

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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.