Home / 28,010.74-38,654.83-15,263.93

Finding the Fourth Proportional to 28,010.74, 38,654.83 and 15,263.93

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Solution

The fourth proportional to 28,010.74, 38,654.83 and 15,263.93 is: 21,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.74 : 38,654.83 = 15,263.93 : x
  2. Step 2: Convert to fraction form
    28,010.74/38,654.83 = 15,263.93/x
  3. Step 3: Cross multiply
    28,010.74x = 38,654.83 × 15,263.93
  4. Step 4: Simplify right side
    28,010.74x = 590,024,619.28
  5. Step 5: Solve for x
    x = 590,024,619.28/28,010.74
  6. Step 6: Final answer
    x = 21,064.23

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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.