Home / 28,437.18-39,242.73-16,501.68

Finding the Fourth Proportional to 28,437.18, 39,242.73 and 16,501.68

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Solution

The fourth proportional to 28,437.18, 39,242.73 and 16,501.68 is: 22,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.18 : 39,242.73 = 16,501.68 : x
  2. Step 2: Convert to fraction form
    28,437.18/39,242.73 = 16,501.68/x
  3. Step 3: Cross multiply
    28,437.18x = 39,242.73 × 16,501.68
  4. Step 4: Simplify right side
    28,437.18x = 647,570,972.79
  5. Step 5: Solve for x
    x = 647,570,972.79/28,437.18
  6. Step 6: Final answer
    x = 22,771.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.