Home / 26,430.93-39,646.40-11,639.93

Finding the Fourth Proportional to 26,430.93, 39,646.40 and 11,639.93

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Solution

The fourth proportional to 26,430.93, 39,646.40 and 11,639.93 is: 17,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.93 : 39,646.40 = 11,639.93 : x
  2. Step 2: Convert to fraction form
    26,430.93/39,646.40 = 11,639.93/x
  3. Step 3: Cross multiply
    26,430.93x = 39,646.40 × 11,639.93
  4. Step 4: Simplify right side
    26,430.93x = 461,481,064.32
  5. Step 5: Solve for x
    x = 461,481,064.32/26,430.93
  6. Step 6: Final answer
    x = 17,459.89

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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.