Home / 28,455.60-39,250.40-17,277.60

Finding the Fourth Proportional to 28,455.60, 39,250.40 and 17,277.60

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Solution

The fourth proportional to 28,455.60, 39,250.40 and 17,277.60 is: 23,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455.60 : 39,250.40 = 17,277.60 : x
  2. Step 2: Convert to fraction form
    28,455.60/39,250.40 = 17,277.60/x
  3. Step 3: Cross multiply
    28,455.60x = 39,250.40 × 17,277.60
  4. Step 4: Simplify right side
    28,455.60x = 678,152,711.04
  5. Step 5: Solve for x
    x = 678,152,711.04/28,455.60
  6. Step 6: Final answer
    x = 23,831.96

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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.