Home / 26,362.40-39,530.80-14,663.20

Finding the Fourth Proportional to 26,362.40, 39,530.80 and 14,663.20

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Solution

The fourth proportional to 26,362.40, 39,530.80 and 14,663.20 is: 21,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,362.40 : 39,530.80 = 14,663.20 : x
  2. Step 2: Convert to fraction form
    26,362.40/39,530.80 = 14,663.20/x
  3. Step 3: Cross multiply
    26,362.40x = 39,530.80 × 14,663.20
  4. Step 4: Simplify right side
    26,362.40x = 579,648,026.56
  5. Step 5: Solve for x
    x = 579,648,026.56/26,362.40
  6. Step 6: Final answer
    x = 21,987.68

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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.