Home / 26,557.68-36,662.04-15,377.52

Finding the Fourth Proportional to 26,557.68, 36,662.04 and 15,377.52

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Solution

The fourth proportional to 26,557.68, 36,662.04 and 15,377.52 is: 21,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.68 : 36,662.04 = 15,377.52 : x
  2. Step 2: Convert to fraction form
    26,557.68/36,662.04 = 15,377.52/x
  3. Step 3: Cross multiply
    26,557.68x = 36,662.04 × 15,377.52
  4. Step 4: Simplify right side
    26,557.68x = 563,771,253.34
  5. Step 5: Solve for x
    x = 563,771,253.34/26,557.68
  6. Step 6: Final answer
    x = 21,228.18

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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.