Home / 28,970.93-43,445.45-13,377.62

Finding the Fourth Proportional to 28,970.93, 43,445.45 and 13,377.62

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Solution

The fourth proportional to 28,970.93, 43,445.45 and 13,377.62 is: 20,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.93 : 43,445.45 = 13,377.62 : x
  2. Step 2: Convert to fraction form
    28,970.93/43,445.45 = 13,377.62/x
  3. Step 3: Cross multiply
    28,970.93x = 43,445.45 × 13,377.62
  4. Step 4: Simplify right side
    28,970.93x = 581,196,436.71
  5. Step 5: Solve for x
    x = 581,196,436.71/28,970.93
  6. Step 6: Final answer
    x = 20,061.37

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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.