Home / 28,469.02-42,703.53-14,426.86

Finding the Fourth Proportional to 28,469.02, 42,703.53 and 14,426.86

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Solution

The fourth proportional to 28,469.02, 42,703.53 and 14,426.86 is: 21,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469.02 : 42,703.53 = 14,426.86 : x
  2. Step 2: Convert to fraction form
    28,469.02/42,703.53 = 14,426.86/x
  3. Step 3: Cross multiply
    28,469.02x = 42,703.53 × 14,426.86
  4. Step 4: Simplify right side
    28,469.02x = 616,077,848.82
  5. Step 5: Solve for x
    x = 616,077,848.82/28,469.02
  6. Step 6: Final answer
    x = 21,640.29

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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.