Home / 28,848.63-39,811.14-15,927.93

Finding the Fourth Proportional to 28,848.63, 39,811.14 and 15,927.93

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Solution

The fourth proportional to 28,848.63, 39,811.14 and 15,927.93 is: 21,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.63 : 39,811.14 = 15,927.93 : x
  2. Step 2: Convert to fraction form
    28,848.63/39,811.14 = 15,927.93/x
  3. Step 3: Cross multiply
    28,848.63x = 39,811.14 × 15,927.93
  4. Step 4: Simplify right side
    28,848.63x = 634,109,051.14
  5. Step 5: Solve for x
    x = 634,109,051.14/28,848.63
  6. Step 6: Final answer
    x = 21,980.56

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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.