Home / 19,075.80-28,582.38-18,346.80

Finding the Fourth Proportional to 19,075.80, 28,582.38 and 18,346.80

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Solution

The fourth proportional to 19,075.80, 28,582.38 and 18,346.80 is: 27,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.80 : 28,582.38 = 18,346.80 : x
  2. Step 2: Convert to fraction form
    19,075.80/28,582.38 = 18,346.80/x
  3. Step 3: Cross multiply
    19,075.80x = 28,582.38 × 18,346.80
  4. Step 4: Simplify right side
    19,075.80x = 524,395,209.38
  5. Step 5: Solve for x
    x = 524,395,209.38/19,075.80
  6. Step 6: Final answer
    x = 27,490.08

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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.