Home / 25,411.20-38,112.48-6,938.88

Finding the Fourth Proportional to 25,411.20, 38,112.48 and 6,938.88

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Solution

The fourth proportional to 25,411.20, 38,112.48 and 6,938.88 is: 10,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.20 : 38,112.48 = 6,938.88 : x
  2. Step 2: Convert to fraction form
    25,411.20/38,112.48 = 6,938.88/x
  3. Step 3: Cross multiply
    25,411.20x = 38,112.48 × 6,938.88
  4. Step 4: Simplify right side
    25,411.20x = 264,457,925.22
  5. Step 5: Solve for x
    x = 264,457,925.22/25,411.20
  6. Step 6: Final answer
    x = 10,407.14

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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.