Home / 28,281.35-39,023.91-16,342.37

Finding the Fourth Proportional to 28,281.35, 39,023.91 and 16,342.37

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Solution

The fourth proportional to 28,281.35, 39,023.91 and 16,342.37 is: 22,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.35 : 39,023.91 = 16,342.37 : x
  2. Step 2: Convert to fraction form
    28,281.35/39,023.91 = 16,342.37/x
  3. Step 3: Cross multiply
    28,281.35x = 39,023.91 × 16,342.37
  4. Step 4: Simplify right side
    28,281.35x = 637,742,980.95
  5. Step 5: Solve for x
    x = 637,742,980.95/28,281.35
  6. Step 6: Final answer
    x = 22,549.95

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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.