Home / 43,265.64-64,892.88-13,686.51

Finding the Fourth Proportional to 43,265.64, 64,892.88 and 13,686.51

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Solution

The fourth proportional to 43,265.64, 64,892.88 and 13,686.51 is: 20,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,265.64 : 64,892.88 = 13,686.51 : x
  2. Step 2: Convert to fraction form
    43,265.64/64,892.88 = 13,686.51/x
  3. Step 3: Cross multiply
    43,265.64x = 64,892.88 × 13,686.51
  4. Step 4: Simplify right side
    43,265.64x = 888,157,051.05
  5. Step 5: Solve for x
    x = 888,157,051.05/43,265.64
  6. Step 6: Final answer
    x = 20,528.00

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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.