Home / 23,041.06-31,767.60-15,070.66

Finding the Fourth Proportional to 23,041.06, 31,767.60 and 15,070.66

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Solution

The fourth proportional to 23,041.06, 31,767.60 and 15,070.66 is: 20,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,041.06 : 31,767.60 = 15,070.66 : x
  2. Step 2: Convert to fraction form
    23,041.06/31,767.60 = 15,070.66/x
  3. Step 3: Cross multiply
    23,041.06x = 31,767.60 × 15,070.66
  4. Step 4: Simplify right side
    23,041.06x = 478,758,698.62
  5. Step 5: Solve for x
    x = 478,758,698.62/23,041.06
  6. Step 6: Final answer
    x = 20,778.50

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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.