Home / 25,065.60-37,580.40-12,576.72

Finding the Fourth Proportional to 25,065.60, 37,580.40 and 12,576.72

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Solution

The fourth proportional to 25,065.60, 37,580.40 and 12,576.72 is: 18,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065.60 : 37,580.40 = 12,576.72 : x
  2. Step 2: Convert to fraction form
    25,065.60/37,580.40 = 12,576.72/x
  3. Step 3: Cross multiply
    25,065.60x = 37,580.40 × 12,576.72
  4. Step 4: Simplify right side
    25,065.60x = 472,638,168.29
  5. Step 5: Solve for x
    x = 472,638,168.29/25,065.60
  6. Step 6: Final answer
    x = 18,856.05

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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.