Home / 28,297.59-39,050.54-15,551.57

Finding the Fourth Proportional to 28,297.59, 39,050.54 and 15,551.57

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Solution

The fourth proportional to 28,297.59, 39,050.54 and 15,551.57 is: 21,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.59 : 39,050.54 = 15,551.57 : x
  2. Step 2: Convert to fraction form
    28,297.59/39,050.54 = 15,551.57/x
  3. Step 3: Cross multiply
    28,297.59x = 39,050.54 × 15,551.57
  4. Step 4: Simplify right side
    28,297.59x = 607,296,933.34
  5. Step 5: Solve for x
    x = 607,296,933.34/28,297.59
  6. Step 6: Final answer
    x = 21,461.08

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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.