Home / 27,030.40-40,545.60-17,699.20

Finding the Fourth Proportional to 27,030.40, 40,545.60 and 17,699.20

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Solution

The fourth proportional to 27,030.40, 40,545.60 and 17,699.20 is: 26,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.40 : 40,545.60 = 17,699.20 : x
  2. Step 2: Convert to fraction form
    27,030.40/40,545.60 = 17,699.20/x
  3. Step 3: Cross multiply
    27,030.40x = 40,545.60 × 17,699.20
  4. Step 4: Simplify right side
    27,030.40x = 717,624,683.52
  5. Step 5: Solve for x
    x = 717,624,683.52/27,030.40
  6. Step 6: Final answer
    x = 26,548.80

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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.