Home / 29,632.96-40,875.72-19,561.60

Finding the Fourth Proportional to 29,632.96, 40,875.72 and 19,561.60

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Solution

The fourth proportional to 29,632.96, 40,875.72 and 19,561.60 is: 26,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,632.96 : 40,875.72 = 19,561.60 : x
  2. Step 2: Convert to fraction form
    29,632.96/40,875.72 = 19,561.60/x
  3. Step 3: Cross multiply
    29,632.96x = 40,875.72 × 19,561.60
  4. Step 4: Simplify right side
    29,632.96x = 799,594,484.35
  5. Step 5: Solve for x
    x = 799,594,484.35/29,632.96
  6. Step 6: Final answer
    x = 26,983.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.