Home / 40,688.48-61,041.96-15,728.60

Finding the Fourth Proportional to 40,688.48, 61,041.96 and 15,728.60

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Solution

The fourth proportional to 40,688.48, 61,041.96 and 15,728.60 is: 23,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.48 : 61,041.96 = 15,728.60 : x
  2. Step 2: Convert to fraction form
    40,688.48/61,041.96 = 15,728.60/x
  3. Step 3: Cross multiply
    40,688.48x = 61,041.96 × 15,728.60
  4. Step 4: Simplify right side
    40,688.48x = 960,104,572.06
  5. Step 5: Solve for x
    x = 960,104,572.06/40,688.48
  6. Step 6: Final answer
    x = 23,596.47

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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.