Home / 28,484.60-39,312.41-17,159.99

Finding the Fourth Proportional to 28,484.60, 39,312.41 and 17,159.99

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Solution

The fourth proportional to 28,484.60, 39,312.41 and 17,159.99 is: 23,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.60 : 39,312.41 = 17,159.99 : x
  2. Step 2: Convert to fraction form
    28,484.60/39,312.41 = 17,159.99/x
  3. Step 3: Cross multiply
    28,484.60x = 39,312.41 × 17,159.99
  4. Step 4: Simplify right side
    28,484.60x = 674,600,280.11
  5. Step 5: Solve for x
    x = 674,600,280.11/28,484.60
  6. Step 6: Final answer
    x = 23,682.99

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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.