Home / 26,209.28-36,166.06-15,307.76

Finding the Fourth Proportional to 26,209.28, 36,166.06 and 15,307.76

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Solution

The fourth proportional to 26,209.28, 36,166.06 and 15,307.76 is: 21,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209.28 : 36,166.06 = 15,307.76 : x
  2. Step 2: Convert to fraction form
    26,209.28/36,166.06 = 15,307.76/x
  3. Step 3: Cross multiply
    26,209.28x = 36,166.06 × 15,307.76
  4. Step 4: Simplify right side
    26,209.28x = 553,621,476.18
  5. Step 5: Solve for x
    x = 553,621,476.18/26,209.28
  6. Step 6: Final answer
    x = 21,123.11

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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.