Home / 25,330.60-37,995.90-8,688.40

Finding the Fourth Proportional to 25,330.60, 37,995.90 and 8,688.40

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Solution

The fourth proportional to 25,330.60, 37,995.90 and 8,688.40 is: 13,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,330.60 : 37,995.90 = 8,688.40 : x
  2. Step 2: Convert to fraction form
    25,330.60/37,995.90 = 8,688.40/x
  3. Step 3: Cross multiply
    25,330.60x = 37,995.90 × 8,688.40
  4. Step 4: Simplify right side
    25,330.60x = 330,123,577.56
  5. Step 5: Solve for x
    x = 330,123,577.56/25,330.60
  6. Step 6: Final answer
    x = 13,032.60

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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.