Home / 28,014.74-38,659.21-15,267.65

Finding the Fourth Proportional to 28,014.74, 38,659.21 and 15,267.65

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Solution

The fourth proportional to 28,014.74, 38,659.21 and 15,267.65 is: 21,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.74 : 38,659.21 = 15,267.65 : x
  2. Step 2: Convert to fraction form
    28,014.74/38,659.21 = 15,267.65/x
  3. Step 3: Cross multiply
    28,014.74x = 38,659.21 × 15,267.65
  4. Step 4: Simplify right side
    28,014.74x = 590,235,287.56
  5. Step 5: Solve for x
    x = 590,235,287.56/28,014.74
  6. Step 6: Final answer
    x = 21,068.74

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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.