Home / 15,705.90-23,515.65-14,928.30

Finding the Fourth Proportional to 15,705.90, 23,515.65 and 14,928.30

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Solution

The fourth proportional to 15,705.90, 23,515.65 and 14,928.30 is: 22,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.90 : 23,515.65 = 14,928.30 : x
  2. Step 2: Convert to fraction form
    15,705.90/23,515.65 = 14,928.30/x
  3. Step 3: Cross multiply
    15,705.90x = 23,515.65 × 14,928.30
  4. Step 4: Simplify right side
    15,705.90x = 351,048,677.90
  5. Step 5: Solve for x
    x = 351,048,677.90/15,705.90
  6. Step 6: Final answer
    x = 22,351.39

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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.