Home / 28,464.10-39,281.40-16,526.72

Finding the Fourth Proportional to 28,464.10, 39,281.40 and 16,526.72

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Solution

The fourth proportional to 28,464.10, 39,281.40 and 16,526.72 is: 22,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.10 : 39,281.40 = 16,526.72 : x
  2. Step 2: Convert to fraction form
    28,464.10/39,281.40 = 16,526.72/x
  3. Step 3: Cross multiply
    28,464.10x = 39,281.40 × 16,526.72
  4. Step 4: Simplify right side
    28,464.10x = 649,192,699.01
  5. Step 5: Solve for x
    x = 649,192,699.01/28,464.10
  6. Step 6: Final answer
    x = 22,807.42

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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.