Home / 28,376.69-42,591.32-14,346.63

Finding the Fourth Proportional to 28,376.69, 42,591.32 and 14,346.63

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Solution

The fourth proportional to 28,376.69, 42,591.32 and 14,346.63 is: 21,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.69 : 42,591.32 = 14,346.63 : x
  2. Step 2: Convert to fraction form
    28,376.69/42,591.32 = 14,346.63/x
  3. Step 3: Cross multiply
    28,376.69x = 42,591.32 × 14,346.63
  4. Step 4: Simplify right side
    28,376.69x = 611,041,837.52
  5. Step 5: Solve for x
    x = 611,041,837.52/28,376.69
  6. Step 6: Final answer
    x = 21,533.24

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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.