Home / 42,767.28-64,132.58-14,690.16

Finding the Fourth Proportional to 42,767.28, 64,132.58 and 14,690.16

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Solution

The fourth proportional to 42,767.28, 64,132.58 and 14,690.16 is: 22,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767.28 : 64,132.58 = 14,690.16 : x
  2. Step 2: Convert to fraction form
    42,767.28/64,132.58 = 14,690.16/x
  3. Step 3: Cross multiply
    42,767.28x = 64,132.58 × 14,690.16
  4. Step 4: Simplify right side
    42,767.28x = 942,117,861.41
  5. Step 5: Solve for x
    x = 942,117,861.41/42,767.28
  6. Step 6: Final answer
    x = 22,028.94

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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.