Home / 28,465.28-42,723.96-14,434.99

Finding the Fourth Proportional to 28,465.28, 42,723.96 and 14,434.99

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Solution

The fourth proportional to 28,465.28, 42,723.96 and 14,434.99 is: 21,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.28 : 42,723.96 = 14,434.99 : x
  2. Step 2: Convert to fraction form
    28,465.28/42,723.96 = 14,434.99/x
  3. Step 3: Cross multiply
    28,465.28x = 42,723.96 × 14,434.99
  4. Step 4: Simplify right side
    28,465.28x = 616,719,971.45
  5. Step 5: Solve for x
    x = 616,719,971.45/28,465.28
  6. Step 6: Final answer
    x = 21,665.69

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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.