Home / 15,578.80-23,368.20-10,038.40

Finding the Fourth Proportional to 15,578.80, 23,368.20 and 10,038.40

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Solution

The fourth proportional to 15,578.80, 23,368.20 and 10,038.40 is: 15,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.80 : 23,368.20 = 10,038.40 : x
  2. Step 2: Convert to fraction form
    15,578.80/23,368.20 = 10,038.40/x
  3. Step 3: Cross multiply
    15,578.80x = 23,368.20 × 10,038.40
  4. Step 4: Simplify right side
    15,578.80x = 234,579,338.88
  5. Step 5: Solve for x
    x = 234,579,338.88/15,578.80
  6. Step 6: Final answer
    x = 15,057.60

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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.