Home / 28,075.54-38,742.58-15,326.18

Finding the Fourth Proportional to 28,075.54, 38,742.58 and 15,326.18

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Solution

The fourth proportional to 28,075.54, 38,742.58 and 15,326.18 is: 21,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.54 : 38,742.58 = 15,326.18 : x
  2. Step 2: Convert to fraction form
    28,075.54/38,742.58 = 15,326.18/x
  3. Step 3: Cross multiply
    28,075.54x = 38,742.58 × 15,326.18
  4. Step 4: Simplify right side
    28,075.54x = 593,775,851.60
  5. Step 5: Solve for x
    x = 593,775,851.60/28,075.54
  6. Step 6: Final answer
    x = 21,149.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.