Home / 26,612.70-40,005.45-18,875.10

Finding the Fourth Proportional to 26,612.70, 40,005.45 and 18,875.10

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Solution

The fourth proportional to 26,612.70, 40,005.45 and 18,875.10 is: 28,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.70 : 40,005.45 = 18,875.10 : x
  2. Step 2: Convert to fraction form
    26,612.70/40,005.45 = 18,875.10/x
  3. Step 3: Cross multiply
    26,612.70x = 40,005.45 × 18,875.10
  4. Step 4: Simplify right side
    26,612.70x = 755,106,869.30
  5. Step 5: Solve for x
    x = 755,106,869.30/26,612.70
  6. Step 6: Final answer
    x = 28,373.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.