Home / 26,205.04-39,307.80-10,619

Finding the Fourth Proportional to 26,205.04, 39,307.80 and 10,619

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Solution

The fourth proportional to 26,205.04, 39,307.80 and 10,619 is: 15,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,205.04 : 39,307.80 = 10,619 : x
  2. Step 2: Convert to fraction form
    26,205.04/39,307.80 = 10,619/x
  3. Step 3: Cross multiply
    26,205.04x = 39,307.80 × 10,619
  4. Step 4: Simplify right side
    26,205.04x = 417,409,528.20
  5. Step 5: Solve for x
    x = 417,409,528.20/26,205.04
  6. Step 6: Final answer
    x = 15,928.60

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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.