Home / 28,271.22-42,407.77-14,223.59

Finding the Fourth Proportional to 28,271.22, 42,407.77 and 14,223.59

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Solution

The fourth proportional to 28,271.22, 42,407.77 and 14,223.59 is: 21,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.22 : 42,407.77 = 14,223.59 : x
  2. Step 2: Convert to fraction form
    28,271.22/42,407.77 = 14,223.59/x
  3. Step 3: Cross multiply
    28,271.22x = 42,407.77 × 14,223.59
  4. Step 4: Simplify right side
    28,271.22x = 603,190,733.29
  5. Step 5: Solve for x
    x = 603,190,733.29/28,271.22
  6. Step 6: Final answer
    x = 21,335.86

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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.