Home / 28,529.40-39,289.50-27,918.84

Finding the Fourth Proportional to 28,529.40, 39,289.50 and 27,918.84

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Solution

The fourth proportional to 28,529.40, 39,289.50 and 27,918.84 is: 38,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.40 : 39,289.50 = 27,918.84 : x
  2. Step 2: Convert to fraction form
    28,529.40/39,289.50 = 27,918.84/x
  3. Step 3: Cross multiply
    28,529.40x = 39,289.50 × 27,918.84
  4. Step 4: Simplify right side
    28,529.40x = 1,096,917,264.18
  5. Step 5: Solve for x
    x = 1,096,917,264.18/28,529.40
  6. Step 6: Final answer
    x = 38,448.66

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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.