Home / 42,996.80-64,475.76-15,295.52

Finding the Fourth Proportional to 42,996.80, 64,475.76 and 15,295.52

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Solution

The fourth proportional to 42,996.80, 64,475.76 and 15,295.52 is: 22,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.80 : 64,475.76 = 15,295.52 : x
  2. Step 2: Convert to fraction form
    42,996.80/64,475.76 = 15,295.52/x
  3. Step 3: Cross multiply
    42,996.80x = 64,475.76 × 15,295.52
  4. Step 4: Simplify right side
    42,996.80x = 986,190,276.60
  5. Step 5: Solve for x
    x = 986,190,276.60/42,996.80
  6. Step 6: Final answer
    x = 22,936.36

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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.