Home / 42,637.52-64,011.90-28,660.16

Finding the Fourth Proportional to 42,637.52, 64,011.90 and 28,660.16

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Solution

The fourth proportional to 42,637.52, 64,011.90 and 28,660.16 is: 43,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,637.52 : 64,011.90 = 28,660.16 : x
  2. Step 2: Convert to fraction form
    42,637.52/64,011.90 = 28,660.16/x
  3. Step 3: Cross multiply
    42,637.52x = 64,011.90 × 28,660.16
  4. Step 4: Simplify right side
    42,637.52x = 1,834,591,563.41
  5. Step 5: Solve for x
    x = 1,834,591,563.41/42,637.52
  6. Step 6: Final answer
    x = 43,027.63

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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.