Home / 40,010.34-60,015.56-10,428.15

Finding the Fourth Proportional to 40,010.34, 60,015.56 and 10,428.15

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Solution

The fourth proportional to 40,010.34, 60,015.56 and 10,428.15 is: 15,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,010.34 : 60,015.56 = 10,428.15 : x
  2. Step 2: Convert to fraction form
    40,010.34/60,015.56 = 10,428.15/x
  3. Step 3: Cross multiply
    40,010.34x = 60,015.56 × 10,428.15
  4. Step 4: Simplify right side
    40,010.34x = 625,851,209.87
  5. Step 5: Solve for x
    x = 625,851,209.87/40,010.34
  6. Step 6: Final answer
    x = 15,642.24

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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.