Home / 28,319.00-42,420.18-16,603.97

Finding the Fourth Proportional to 28,319.00, 42,420.18 and 16,603.97

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Solution

The fourth proportional to 28,319.00, 42,420.18 and 16,603.97 is: 24,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.00 : 42,420.18 = 16,603.97 : x
  2. Step 2: Convert to fraction form
    28,319.00/42,420.18 = 16,603.97/x
  3. Step 3: Cross multiply
    28,319.00x = 42,420.18 × 16,603.97
  4. Step 4: Simplify right side
    28,319.00x = 704,343,502.17
  5. Step 5: Solve for x
    x = 704,343,502.17/28,319.00
  6. Step 6: Final answer
    x = 24,871.76

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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.