Home / 38,557.02-57,835.38-13,591.05

Finding the Fourth Proportional to 38,557.02, 57,835.38 and 13,591.05

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Solution

The fourth proportional to 38,557.02, 57,835.38 and 13,591.05 is: 20,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.02 : 57,835.38 = 13,591.05 : x
  2. Step 2: Convert to fraction form
    38,557.02/57,835.38 = 13,591.05/x
  3. Step 3: Cross multiply
    38,557.02x = 57,835.38 × 13,591.05
  4. Step 4: Simplify right side
    38,557.02x = 786,043,541.35
  5. Step 5: Solve for x
    x = 786,043,541.35/38,557.02
  6. Step 6: Final answer
    x = 20,386.52

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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.