Home / 28,306.29-42,465.36-11,666.19

Finding the Fourth Proportional to 28,306.29, 42,465.36 and 11,666.19

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Solution

The fourth proportional to 28,306.29, 42,465.36 and 11,666.19 is: 17,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.29 : 42,465.36 = 11,666.19 : x
  2. Step 2: Convert to fraction form
    28,306.29/42,465.36 = 11,666.19/x
  3. Step 3: Cross multiply
    28,306.29x = 42,465.36 × 11,666.19
  4. Step 4: Simplify right side
    28,306.29x = 495,408,958.18
  5. Step 5: Solve for x
    x = 495,408,958.18/28,306.29
  6. Step 6: Final answer
    x = 17,501.73

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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.