Home / 28,709.99-39,614.98-15,962.81

Finding the Fourth Proportional to 28,709.99, 39,614.98 and 15,962.81

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Solution

The fourth proportional to 28,709.99, 39,614.98 and 15,962.81 is: 22,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.99 : 39,614.98 = 15,962.81 : x
  2. Step 2: Convert to fraction form
    28,709.99/39,614.98 = 15,962.81/x
  3. Step 3: Cross multiply
    28,709.99x = 39,614.98 × 15,962.81
  4. Step 4: Simplify right side
    28,709.99x = 632,366,319.08
  5. Step 5: Solve for x
    x = 632,366,319.08/28,709.99
  6. Step 6: Final answer
    x = 22,026.01

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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.