Home / 19,090.08-28,575.72-10,303.20

Finding the Fourth Proportional to 19,090.08, 28,575.72 and 10,303.20

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Solution

The fourth proportional to 19,090.08, 28,575.72 and 10,303.20 is: 15,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.08 : 28,575.72 = 10,303.20 : x
  2. Step 2: Convert to fraction form
    19,090.08/28,575.72 = 10,303.20/x
  3. Step 3: Cross multiply
    19,090.08x = 28,575.72 × 10,303.20
  4. Step 4: Simplify right side
    19,090.08x = 294,421,358.30
  5. Step 5: Solve for x
    x = 294,421,358.30/19,090.08
  6. Step 6: Final answer
    x = 15,422.74

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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.