Home / 28,535.26-42,740.47-14,471.05

Finding the Fourth Proportional to 28,535.26, 42,740.47 and 14,471.05

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Solution

The fourth proportional to 28,535.26, 42,740.47 and 14,471.05 is: 21,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.26 : 42,740.47 = 14,471.05 : x
  2. Step 2: Convert to fraction form
    28,535.26/42,740.47 = 14,471.05/x
  3. Step 3: Cross multiply
    28,535.26x = 42,740.47 × 14,471.05
  4. Step 4: Simplify right side
    28,535.26x = 618,499,478.39
  5. Step 5: Solve for x
    x = 618,499,478.39/28,535.26
  6. Step 6: Final answer
    x = 21,674.92

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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.