Home / 26,459.60-39,681.20-10,663.99

Finding the Fourth Proportional to 26,459.60, 39,681.20 and 10,663.99

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Solution

The fourth proportional to 26,459.60, 39,681.20 and 10,663.99 is: 15,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.60 : 39,681.20 = 10,663.99 : x
  2. Step 2: Convert to fraction form
    26,459.60/39,681.20 = 10,663.99/x
  3. Step 3: Cross multiply
    26,459.60x = 39,681.20 × 10,663.99
  4. Step 4: Simplify right side
    26,459.60x = 423,159,919.99
  5. Step 5: Solve for x
    x = 423,159,919.99/26,459.60
  6. Step 6: Final answer
    x = 15,992.68

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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.