Home / 28,538.52-42,807.78-15,473.63

Finding the Fourth Proportional to 28,538.52, 42,807.78 and 15,473.63

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Solution

The fourth proportional to 28,538.52, 42,807.78 and 15,473.63 is: 23,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.52 : 42,807.78 = 15,473.63 : x
  2. Step 2: Convert to fraction form
    28,538.52/42,807.78 = 15,473.63/x
  3. Step 3: Cross multiply
    28,538.52x = 42,807.78 × 15,473.63
  4. Step 4: Simplify right side
    28,538.52x = 662,391,534.80
  5. Step 5: Solve for x
    x = 662,391,534.80/28,538.52
  6. Step 6: Final answer
    x = 23,210.44

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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.