Home / 26,472.71-39,681.11-20,219.10

Finding the Fourth Proportional to 26,472.71, 39,681.11 and 20,219.10

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Solution

The fourth proportional to 26,472.71, 39,681.11 and 20,219.10 is: 30,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.71 : 39,681.11 = 20,219.10 : x
  2. Step 2: Convert to fraction form
    26,472.71/39,681.11 = 20,219.10/x
  3. Step 3: Cross multiply
    26,472.71x = 39,681.11 × 20,219.10
  4. Step 4: Simplify right side
    26,472.71x = 802,316,230.11
  5. Step 5: Solve for x
    x = 802,316,230.11/26,472.71
  6. Step 6: Final answer
    x = 30,307.30

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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.