Home / 43,214.09-59,623.02-28,128.95

Finding the Fourth Proportional to 43,214.09, 59,623.02 and 28,128.95

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Solution

The fourth proportional to 43,214.09, 59,623.02 and 28,128.95 is: 38,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.09 : 59,623.02 = 28,128.95 : x
  2. Step 2: Convert to fraction form
    43,214.09/59,623.02 = 28,128.95/x
  3. Step 3: Cross multiply
    43,214.09x = 59,623.02 × 28,128.95
  4. Step 4: Simplify right side
    43,214.09x = 1,677,132,948.43
  5. Step 5: Solve for x
    x = 1,677,132,948.43/43,214.09
  6. Step 6: Final answer
    x = 38,809.86

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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.