Home / 38,259.76-57,378.48-14,880.64

Finding the Fourth Proportional to 38,259.76, 57,378.48 and 14,880.64

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Solution

The fourth proportional to 38,259.76, 57,378.48 and 14,880.64 is: 22,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,259.76 : 57,378.48 = 14,880.64 : x
  2. Step 2: Convert to fraction form
    38,259.76/57,378.48 = 14,880.64/x
  3. Step 3: Cross multiply
    38,259.76x = 57,378.48 × 14,880.64
  4. Step 4: Simplify right side
    38,259.76x = 853,828,504.63
  5. Step 5: Solve for x
    x = 853,828,504.63/38,259.76
  6. Step 6: Final answer
    x = 22,316.62

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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.