Home / 28,270.04-39,009.75-16,337.21

Finding the Fourth Proportional to 28,270.04, 39,009.75 and 16,337.21

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Solution

The fourth proportional to 28,270.04, 39,009.75 and 16,337.21 is: 22,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.04 : 39,009.75 = 16,337.21 : x
  2. Step 2: Convert to fraction form
    28,270.04/39,009.75 = 16,337.21/x
  3. Step 3: Cross multiply
    28,270.04x = 39,009.75 × 16,337.21
  4. Step 4: Simplify right side
    28,270.04x = 637,310,477.80
  5. Step 5: Solve for x
    x = 637,310,477.80/28,270.04
  6. Step 6: Final answer
    x = 22,543.67

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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.