Home / 25,730.96-38,602.80-18,317.04

Finding the Fourth Proportional to 25,730.96, 38,602.80 and 18,317.04

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Solution

The fourth proportional to 25,730.96, 38,602.80 and 18,317.04 is: 27,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.96 : 38,602.80 = 18,317.04 : x
  2. Step 2: Convert to fraction form
    25,730.96/38,602.80 = 18,317.04/x
  3. Step 3: Cross multiply
    25,730.96x = 38,602.80 × 18,317.04
  4. Step 4: Simplify right side
    25,730.96x = 707,089,031.71
  5. Step 5: Solve for x
    x = 707,089,031.71/25,730.96
  6. Step 6: Final answer
    x = 27,480.09

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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.