Home / 39,977.50-59,955.28-15,015.62

Finding the Fourth Proportional to 39,977.50, 59,955.28 and 15,015.62

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Solution

The fourth proportional to 39,977.50, 59,955.28 and 15,015.62 is: 22,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.50 : 59,955.28 = 15,015.62 : x
  2. Step 2: Convert to fraction form
    39,977.50/59,955.28 = 15,015.62/x
  3. Step 3: Cross multiply
    39,977.50x = 59,955.28 × 15,015.62
  4. Step 4: Simplify right side
    39,977.50x = 900,265,701.47
  5. Step 5: Solve for x
    x = 900,265,701.47/39,977.50
  6. Step 6: Final answer
    x = 22,519.31

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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.