Home / 26,464.64-39,700.48-13,985.16

Finding the Fourth Proportional to 26,464.64, 39,700.48 and 13,985.16

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Solution

The fourth proportional to 26,464.64, 39,700.48 and 13,985.16 is: 20,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,464.64 : 39,700.48 = 13,985.16 : x
  2. Step 2: Convert to fraction form
    26,464.64/39,700.48 = 13,985.16/x
  3. Step 3: Cross multiply
    26,464.64x = 39,700.48 × 13,985.16
  4. Step 4: Simplify right side
    26,464.64x = 555,217,564.88
  5. Step 5: Solve for x
    x = 555,217,564.88/26,464.64
  6. Step 6: Final answer
    x = 20,979.60

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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.