Home / 25,730.02-38,590.44-13,878.28

Finding the Fourth Proportional to 25,730.02, 38,590.44 and 13,878.28

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Solution

The fourth proportional to 25,730.02, 38,590.44 and 13,878.28 is: 20,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.02 : 38,590.44 = 13,878.28 : x
  2. Step 2: Convert to fraction form
    25,730.02/38,590.44 = 13,878.28/x
  3. Step 3: Cross multiply
    25,730.02x = 38,590.44 × 13,878.28
  4. Step 4: Simplify right side
    25,730.02x = 535,568,931.64
  5. Step 5: Solve for x
    x = 535,568,931.64/25,730.02
  6. Step 6: Final answer
    x = 20,814.94

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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.