Home / 28,069.04-38,734.65-15,322.46

Finding the Fourth Proportional to 28,069.04, 38,734.65 and 15,322.46

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Solution

The fourth proportional to 28,069.04, 38,734.65 and 15,322.46 is: 21,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.04 : 38,734.65 = 15,322.46 : x
  2. Step 2: Convert to fraction form
    28,069.04/38,734.65 = 15,322.46/x
  3. Step 3: Cross multiply
    28,069.04x = 38,734.65 × 15,322.46
  4. Step 4: Simplify right side
    28,069.04x = 593,510,125.24
  5. Step 5: Solve for x
    x = 593,510,125.24/28,069.04
  6. Step 6: Final answer
    x = 21,144.65

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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.