Home / 28,762.40-43,156.16-10,055.87

Finding the Fourth Proportional to 28,762.40, 43,156.16 and 10,055.87

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Solution

The fourth proportional to 28,762.40, 43,156.16 and 10,055.87 is: 15,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.40 : 43,156.16 = 10,055.87 : x
  2. Step 2: Convert to fraction form
    28,762.40/43,156.16 = 10,055.87/x
  3. Step 3: Cross multiply
    28,762.40x = 43,156.16 × 10,055.87
  4. Step 4: Simplify right side
    28,762.40x = 433,972,518.88
  5. Step 5: Solve for x
    x = 433,972,518.88/28,762.40
  6. Step 6: Final answer
    x = 15,088.19

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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.