Home / 19,877.58-29,759.67-15,430.68

Finding the Fourth Proportional to 19,877.58, 29,759.67 and 15,430.68

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Solution

The fourth proportional to 19,877.58, 29,759.67 and 15,430.68 is: 23,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.58 : 29,759.67 = 15,430.68 : x
  2. Step 2: Convert to fraction form
    19,877.58/29,759.67 = 15,430.68/x
  3. Step 3: Cross multiply
    19,877.58x = 29,759.67 × 15,430.68
  4. Step 4: Simplify right side
    19,877.58x = 459,211,944.68
  5. Step 5: Solve for x
    x = 459,211,944.68/19,877.58
  6. Step 6: Final answer
    x = 23,102.00

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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.