Home / 64,628.64-96,932-17,870.58

Finding the Fourth Proportional to 64,628.64, 96,932 and 17,870.58

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Solution

The fourth proportional to 64,628.64, 96,932 and 17,870.58 is: 26,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,628.64 : 96,932 = 17,870.58 : x
  2. Step 2: Convert to fraction form
    64,628.64/96,932 = 17,870.58/x
  3. Step 3: Cross multiply
    64,628.64x = 96,932 × 17,870.58
  4. Step 4: Simplify right side
    64,628.64x = 1,732,231,060.56
  5. Step 5: Solve for x
    x = 1,732,231,060.56/64,628.64
  6. Step 6: Final answer
    x = 26,802.84

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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.