Home / 28,417.70-39,215.81-16,482.15

Finding the Fourth Proportional to 28,417.70, 39,215.81 and 16,482.15

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Solution

The fourth proportional to 28,417.70, 39,215.81 and 16,482.15 is: 22,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.70 : 39,215.81 = 16,482.15 : x
  2. Step 2: Convert to fraction form
    28,417.70/39,215.81 = 16,482.15/x
  3. Step 3: Cross multiply
    28,417.70x = 39,215.81 × 16,482.15
  4. Step 4: Simplify right side
    28,417.70x = 646,360,904.00
  5. Step 5: Solve for x
    x = 646,360,904.00/28,417.70
  6. Step 6: Final answer
    x = 22,745.01

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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.