Home / 27,591.12-38,075.40-15,015.84

Finding the Fourth Proportional to 27,591.12, 38,075.40 and 15,015.84

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Solution

The fourth proportional to 27,591.12, 38,075.40 and 15,015.84 is: 20,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.12 : 38,075.40 = 15,015.84 : x
  2. Step 2: Convert to fraction form
    27,591.12/38,075.40 = 15,015.84/x
  3. Step 3: Cross multiply
    27,591.12x = 38,075.40 × 15,015.84
  4. Step 4: Simplify right side
    27,591.12x = 571,734,114.34
  5. Step 5: Solve for x
    x = 571,734,114.34/27,591.12
  6. Step 6: Final answer
    x = 20,721.67

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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.