Home / 28,779.12-42,966.81-24,351.66

Finding the Fourth Proportional to 28,779.12, 42,966.81 and 24,351.66

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Solution

The fourth proportional to 28,779.12, 42,966.81 and 24,351.66 is: 36,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.12 : 42,966.81 = 24,351.66 : x
  2. Step 2: Convert to fraction form
    28,779.12/42,966.81 = 24,351.66/x
  3. Step 3: Cross multiply
    28,779.12x = 42,966.81 × 24,351.66
  4. Step 4: Simplify right side
    28,779.12x = 1,046,313,148.40
  5. Step 5: Solve for x
    x = 1,046,313,148.40/28,779.12
  6. Step 6: Final answer
    x = 36,356.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.