Home / 26,415.48-36,448.74-15,079.80

Finding the Fourth Proportional to 26,415.48, 36,448.74 and 15,079.80

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Solution

The fourth proportional to 26,415.48, 36,448.74 and 15,079.80 is: 20,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.48 : 36,448.74 = 15,079.80 : x
  2. Step 2: Convert to fraction form
    26,415.48/36,448.74 = 15,079.80/x
  3. Step 3: Cross multiply
    26,415.48x = 36,448.74 × 15,079.80
  4. Step 4: Simplify right side
    26,415.48x = 549,639,709.45
  5. Step 5: Solve for x
    x = 549,639,709.45/26,415.48
  6. Step 6: Final answer
    x = 20,807.49

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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.