Home / 28,624.34-39,501.93-15,877.79

Finding the Fourth Proportional to 28,624.34, 39,501.93 and 15,877.79

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Solution

The fourth proportional to 28,624.34, 39,501.93 and 15,877.79 is: 21,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,624.34 : 39,501.93 = 15,877.79 : x
  2. Step 2: Convert to fraction form
    28,624.34/39,501.93 = 15,877.79/x
  3. Step 3: Cross multiply
    28,624.34x = 39,501.93 × 15,877.79
  4. Step 4: Simplify right side
    28,624.34x = 627,203,349.13
  5. Step 5: Solve for x
    x = 627,203,349.13/28,624.34
  6. Step 6: Final answer
    x = 21,911.54

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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.