Home / 28,509.90-39,349.91-16,580.12

Finding the Fourth Proportional to 28,509.90, 39,349.91 and 16,580.12

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Solution

The fourth proportional to 28,509.90, 39,349.91 and 16,580.12 is: 22,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,509.90 : 39,349.91 = 16,580.12 : x
  2. Step 2: Convert to fraction form
    28,509.90/39,349.91 = 16,580.12/x
  3. Step 3: Cross multiply
    28,509.90x = 39,349.91 × 16,580.12
  4. Step 4: Simplify right side
    28,509.90x = 652,426,369.61
  5. Step 5: Solve for x
    x = 652,426,369.61/28,509.90
  6. Step 6: Final answer
    x = 22,884.20

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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.