Home / 28,666.06-42,988.02-11,133.52

Finding the Fourth Proportional to 28,666.06, 42,988.02 and 11,133.52

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Solution

The fourth proportional to 28,666.06, 42,988.02 and 11,133.52 is: 16,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.06 : 42,988.02 = 11,133.52 : x
  2. Step 2: Convert to fraction form
    28,666.06/42,988.02 = 11,133.52/x
  3. Step 3: Cross multiply
    28,666.06x = 42,988.02 × 11,133.52
  4. Step 4: Simplify right side
    28,666.06x = 478,607,980.43
  5. Step 5: Solve for x
    x = 478,607,980.43/28,666.06
  6. Step 6: Final answer
    x = 16,695.98

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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.