Home / 28,999.60-43,499.40-14,237.35

Finding the Fourth Proportional to 28,999.60, 43,499.40 and 14,237.35

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Solution

The fourth proportional to 28,999.60, 43,499.40 and 14,237.35 is: 21,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.60 : 43,499.40 = 14,237.35 : x
  2. Step 2: Convert to fraction form
    28,999.60/43,499.40 = 14,237.35/x
  3. Step 3: Cross multiply
    28,999.60x = 43,499.40 × 14,237.35
  4. Step 4: Simplify right side
    28,999.60x = 619,316,182.59
  5. Step 5: Solve for x
    x = 619,316,182.59/28,999.60
  6. Step 6: Final answer
    x = 21,356.03

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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.