Home / 25,685.60-38,541.20-14,600.80

Finding the Fourth Proportional to 25,685.60, 38,541.20 and 14,600.80

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Solution

The fourth proportional to 25,685.60, 38,541.20 and 14,600.80 is: 21,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.60 : 38,541.20 = 14,600.80 : x
  2. Step 2: Convert to fraction form
    25,685.60/38,541.20 = 14,600.80/x
  3. Step 3: Cross multiply
    25,685.60x = 38,541.20 × 14,600.80
  4. Step 4: Simplify right side
    25,685.60x = 562,732,352.96
  5. Step 5: Solve for x
    x = 562,732,352.96/25,685.60
  6. Step 6: Final answer
    x = 21,908.48

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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.