Home / 28,423.74-39,201.63-25,013.38

Finding the Fourth Proportional to 28,423.74, 39,201.63 and 25,013.38

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Solution

The fourth proportional to 28,423.74, 39,201.63 and 25,013.38 is: 34,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.74 : 39,201.63 = 25,013.38 : x
  2. Step 2: Convert to fraction form
    28,423.74/39,201.63 = 25,013.38/x
  3. Step 3: Cross multiply
    28,423.74x = 39,201.63 × 25,013.38
  4. Step 4: Simplify right side
    28,423.74x = 980,565,267.81
  5. Step 5: Solve for x
    x = 980,565,267.81/28,423.74
  6. Step 6: Final answer
    x = 34,498.11

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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.