Home / 26,399.18-36,431.88-15,070.52

Finding the Fourth Proportional to 26,399.18, 36,431.88 and 15,070.52

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Solution

The fourth proportional to 26,399.18, 36,431.88 and 15,070.52 is: 20,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,399.18 : 36,431.88 = 15,070.52 : x
  2. Step 2: Convert to fraction form
    26,399.18/36,431.88 = 15,070.52/x
  3. Step 3: Cross multiply
    26,399.18x = 36,431.88 × 15,070.52
  4. Step 4: Simplify right side
    26,399.18x = 549,047,410.74
  5. Step 5: Solve for x
    x = 549,047,410.74/26,399.18
  6. Step 6: Final answer
    x = 20,797.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.