Home / 25,320.08-37,987.80-17,938.82

Finding the Fourth Proportional to 25,320.08, 37,987.80 and 17,938.82

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Solution

The fourth proportional to 25,320.08, 37,987.80 and 17,938.82 is: 26,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.08 : 37,987.80 = 17,938.82 : x
  2. Step 2: Convert to fraction form
    25,320.08/37,987.80 = 17,938.82/x
  3. Step 3: Cross multiply
    25,320.08x = 37,987.80 × 17,938.82
  4. Step 4: Simplify right side
    25,320.08x = 681,456,306.40
  5. Step 5: Solve for x
    x = 681,456,306.40/25,320.08
  6. Step 6: Final answer
    x = 26,913.67

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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.