Home / 84,886.48-127,327.42-28,726.21

Finding the Fourth Proportional to 84,886.48, 127,327.42 and 28,726.21

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Solution

The fourth proportional to 84,886.48, 127,327.42 and 28,726.21 is: 43,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,886.48 : 127,327.42 = 28,726.21 : x
  2. Step 2: Convert to fraction form
    84,886.48/127,327.42 = 28,726.21/x
  3. Step 3: Cross multiply
    84,886.48x = 127,327.42 × 28,726.21
  4. Step 4: Simplify right side
    84,886.48x = 3,657,634,205.68
  5. Step 5: Solve for x
    x = 3,657,634,205.68/84,886.48
  6. Step 6: Final answer
    x = 43,088.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.