Home / 64,526-96,784.64-17,779.28

Finding the Fourth Proportional to 64,526, 96,784.64 and 17,779.28

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Solution

The fourth proportional to 64,526, 96,784.64 and 17,779.28 is: 26,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,526 : 96,784.64 = 17,779.28 : x
  2. Step 2: Convert to fraction form
    64,526/96,784.64 = 17,779.28/x
  3. Step 3: Cross multiply
    64,526x = 96,784.64 × 17,779.28
  4. Step 4: Simplify right side
    64,526x = 1,720,761,214.26
  5. Step 5: Solve for x
    x = 1,720,761,214.26/64,526
  6. Step 6: Final answer
    x = 26,667.72

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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.