Home / 26,480.99-36,543.60-15,870.62

Finding the Fourth Proportional to 26,480.99, 36,543.60 and 15,870.62

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Solution

The fourth proportional to 26,480.99, 36,543.60 and 15,870.62 is: 21,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.99 : 36,543.60 = 15,870.62 : x
  2. Step 2: Convert to fraction form
    26,480.99/36,543.60 = 15,870.62/x
  3. Step 3: Cross multiply
    26,480.99x = 36,543.60 × 15,870.62
  4. Step 4: Simplify right side
    26,480.99x = 579,969,680.39
  5. Step 5: Solve for x
    x = 579,969,680.39/26,480.99
  6. Step 6: Final answer
    x = 21,901.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.