Home / 26,478.18-36,501.30-18,911.16

Finding the Fourth Proportional to 26,478.18, 36,501.30 and 18,911.16

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Solution

The fourth proportional to 26,478.18, 36,501.30 and 18,911.16 is: 26,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.18 : 36,501.30 = 18,911.16 : x
  2. Step 2: Convert to fraction form
    26,478.18/36,501.30 = 18,911.16/x
  3. Step 3: Cross multiply
    26,478.18x = 36,501.30 × 18,911.16
  4. Step 4: Simplify right side
    26,478.18x = 690,281,924.51
  5. Step 5: Solve for x
    x = 690,281,924.51/26,478.18
  6. Step 6: Final answer
    x = 26,069.84

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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.