Home / 28,641.89-42,957.27-14,406.57

Finding the Fourth Proportional to 28,641.89, 42,957.27 and 14,406.57

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Solution

The fourth proportional to 28,641.89, 42,957.27 and 14,406.57 is: 21,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.89 : 42,957.27 = 14,406.57 : x
  2. Step 2: Convert to fraction form
    28,641.89/42,957.27 = 14,406.57/x
  3. Step 3: Cross multiply
    28,641.89x = 42,957.27 × 14,406.57
  4. Step 4: Simplify right side
    28,641.89x = 618,866,988.97
  5. Step 5: Solve for x
    x = 618,866,988.97/28,641.89
  6. Step 6: Final answer
    x = 21,607.06

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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.