Home / 27,038.80-40,548.36-10,390.24

Finding the Fourth Proportional to 27,038.80, 40,548.36 and 10,390.24

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Solution

The fourth proportional to 27,038.80, 40,548.36 and 10,390.24 is: 15,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.80 : 40,548.36 = 10,390.24 : x
  2. Step 2: Convert to fraction form
    27,038.80/40,548.36 = 10,390.24/x
  3. Step 3: Cross multiply
    27,038.80x = 40,548.36 × 10,390.24
  4. Step 4: Simplify right side
    27,038.80x = 421,307,192.01
  5. Step 5: Solve for x
    x = 421,307,192.01/27,038.80
  6. Step 6: Final answer
    x = 15,581.58

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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.