Home / 25,547.81-38,329.51-13,076.67

Finding the Fourth Proportional to 25,547.81, 38,329.51 and 13,076.67

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Solution

The fourth proportional to 25,547.81, 38,329.51 and 13,076.67 is: 19,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.81 : 38,329.51 = 13,076.67 : x
  2. Step 2: Convert to fraction form
    25,547.81/38,329.51 = 13,076.67/x
  3. Step 3: Cross multiply
    25,547.81x = 38,329.51 × 13,076.67
  4. Step 4: Simplify right side
    25,547.81x = 501,222,161.88
  5. Step 5: Solve for x
    x = 501,222,161.88/25,547.81
  6. Step 6: Final answer
    x = 19,618.99

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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.