Home / 28,585.41-42,917.40-14,554.87

Finding the Fourth Proportional to 28,585.41, 42,917.40 and 14,554.87

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Solution

The fourth proportional to 28,585.41, 42,917.40 and 14,554.87 is: 21,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585.41 : 42,917.40 = 14,554.87 : x
  2. Step 2: Convert to fraction form
    28,585.41/42,917.40 = 14,554.87/x
  3. Step 3: Cross multiply
    28,585.41x = 42,917.40 × 14,554.87
  4. Step 4: Simplify right side
    28,585.41x = 624,656,997.67
  5. Step 5: Solve for x
    x = 624,656,997.67/28,585.41
  6. Step 6: Final answer
    x = 21,852.30

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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.